Question

Determine o valor de x em cada situação

a)3x+8=2x-7

b)8x+5=3x

c)12x+12=-4x

Answer 1

a)3x-2x=-7-8
x=-15

b)8x-3x=-5
5x=-5
x=5/-5
x=-1

c)12x+4x=-12
16x=-12
x=-12/16