Question

10) Resolva as equações abaixo:
A) (3.x + 2) - 10-2x = 7x + 2.(x-1)
B) -2.X + 3.(x + 4) - 12 = 4. (x + 10)​

Answer 1

Resposta:

(3×+2)-10-2×=2×+2

Explicação passo-a-passo:

(3×+2)-10-2×=2×+2

3×+2-10-2×=2×+2

3×-10-2×=2×

×-10=2×

×-2×=10

-×=10

×=-10