Question

A) 3.x-2.(-x+20)=35


B) 3-2.(x+3)=x-18

Answer 1

A) 3x - 2(-x-20) = 35
3x + 2x + 40 = 35
5x = 35 - 40
5x = -5
x = -5/5 => x = -1

B) 3 - 2( x+3 ) = x - 18
3 - 2x - 6 = x - 18
- 2x - x = -18 -3 + 6
-3x = - 15
x = -15/-3 => x = 5