solving system equations using substitution.

1. Solving System Of Equations
Using Substitution
By: Erikay Howard

2. y=5x+11
y=10x-4

3. 5x+11=10x-4
-5x -5x
11=5x-4
+4 +4
15=5x
/5 /5
3=x

4. Y=5(3)+11
Y=10(3)-4

5. Y=5(3)+11
Y=26
Check your answer...
Y=10(3)-4
Y=26

6. X=3
Y=26
SOLUTION
(3,26)