Question

Resolva as equações:

A)5(2x-1)+3(2x+3)+12=0
B)2(x-6)+(-x+1)=5(2+x)

Answer 1

A)5(2x-1)+3(2x+3)+12=0
10x-5+6x+9+12=0
16x+16=0
16x=-16
x=-16/16
x=-1
B)2(x-6)+(-x+1)=5(2+x)
2x-12-x+1=10+5x
x-11-5x=10
-4x=10+11
4x=-21
x=-21/4