Linear Equations and Inequations in one variable.pptx
- 3. 1. 7x+35 =84
7x= 84-35
7x= 49
x= 49/7 =7
2. 14x-32=80
14x = 80+32
14x =112
x= 112/14
x= 8
3. 11x-14= 8x+22
11x-8x=14+22
3x=36
x=12
4.6(x-6)=4x
6x-36 =4x
6x-4x=36
2x=36
x=36/2
x=18
5. 5(x+7)=7.5x
5x+35 =7.5x
5x-7.5x=-35
-2.5x=-35
x=35/2.5 = 14
6. 11(x-5)=6(x+5)
11x-55=6x+30
11x-6x=55+30
5x=85
x=17