Question

resolva as equaçoes de primeiro grau com uma incognita: 2x+12=x-10 -8x=-4

Answer 1

-8x=-4
8x=4
x=4/8
x=1/2

2x+12=x-10
2x-x=-10-12
x=-22

Answer 2

2x+12=x-10
2x-x=-10-12
x=-22
Resposta:  -22

-8x=-4 (-1)
8x=4
x=4/8
x=1/2
Resposta: 1/2