Question

Encontre o conjunto solucao
a) 3-2.(x+4)=x+5.(2x-2)

Answer 1

3-2(x+4)=x+5(2x-2)
3-2x-8=x+10x-10
-2x-x-10x=-10+8-3
-3x-10x=-2-3
-13x=-5
13x=5
x=5/13 ou x=0,384615384615...

Answer 2

a)
3-2(x+4)=x+5(2x-2)
3-2x-8=x+10x-10
-2x-x-10x=-10-3+8
-13x=-5 (-1)
13x=5
x=5/13
Resposta: 5/13