Question

Resolva as equações.
2•(7×+2)+12•(×+1)=2

Answer 1

2•(7×+2) + 12•(×+1) = 2 ==> : (2)
7x+2 + 6.(x+1) = 1
7x+2 +6x+6 = 1
13x +8 = 1
13x = -7
x = -7/13 ✓

Answer 2

Olá

2.(7x + 2) + 12.(x + 1) = 2

14x + 4 + 12x + 12 = 2

14x + 12x = 2 - 12 - 4

26x = - 14

x = - 14/26 ÷ 2

x = - 7/13

Espero ter ajudado.