Question

Resolva as equaçoes 4(x + 10) - 2(x - 5) = 0

Answer 1

Olá Pedro Rafael é bem simples
4(x + 10 ) - 2(x - 5 ) =0 :
4x + 40 - 2x + 10 = 0 
2x  + 50 = 0
2x = -50
x = -50 / 2
x = -25

Answer 2

4 ( x + 10) - 2 ( x - 5 )  = 0
4x + 40 - 2x + 10 = 0
2x  + 50  = 0
2x = -50
x = -50/2 = - 25 ***