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The document discusses solving a system of equations using elimination. It contains two equations: 5x + 3y = 36 and 2x + 8y = 62. It eliminates x to find y = 3, then substitutes back into one of the original equations to find x = 7. The solution is given as (7,3).
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The document contains a series of math word problems involving operations like addition, subtraction, multiplication, division and calculating remainders. The problems include calculating the results of expressions, multi-step word problems, operations with brackets, and problems involving multiple steps. The goal is to solve each individual math problem presented.
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The document contains 83 math word problems involving addition, subtraction, multiplication, division and order of operations. The problems cover a wide range of numbers and operations with the goal of calculating the answer for each problem.
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Solve Systems By Elimination
1) Put the equations in standard form if needed
2) Determine that y can be eliminated by multiplying the top equation by 3
3) Multiply the top equation by 3 and add it to the bottom equation to eliminate y
4) Solve the resulting equation for the remaining variable
5) Substitute back into one of the original equations to find the other variable
The solution to the system is (1, -2).
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The document provides steps for solving systems of equations using the elimination method with addition and subtraction:
1. Put both equations in standard form.
2. Determine which variable to eliminate by finding terms with the same coefficients.
3. Add or subtract the equations to eliminate the chosen variable.
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5. Check the solution by substituting the values back into both original equations.
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The document contains a series of math word problems involving operations like addition, subtraction, multiplication, division and calculating remainders. The problems include calculating the results of expressions, multi-step word problems, operations with brackets, and problems involving multiple steps. The goal is to solve each individual math problem presented.
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The document contains 83 math word problems involving addition, subtraction, multiplication, division and order of operations. The problems cover a wide range of numbers and operations with the goal of calculating the answer for each problem.
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https://www.nicovideo.jp/watch/sm37958547
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Solve Systems By Elimination
1) Put the equations in standard form if needed
2) Determine that y can be eliminated by multiplying the top equation by 3
3) Multiply the top equation by 3 and add it to the bottom equation to eliminate y
4) Solve the resulting equation for the remaining variable
5) Substitute back into one of the original equations to find the other variable
The solution to the system is (1, -2).
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The document discusses solving a system of equations using elimination. It contains two equations: 5x + 3y = 36 and 2x + 8y = 62. It eliminates x to find y = 3, then substitutes back into one of the original equations to find x = 7. The solution is given as (7,3).
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