Question

Resolva as equações


A) 12×-4=10×+3


B) 9-×+2=-5×+3+2×

Answer 1

Oi

a) 12x - 4 = 10x + 3

12x - 10x = 3 + 4

2x = 7

x = 7/2

b) 9 - x + 2 = - 5x + 3 + 2x

- x + 5x - 2x = 3 - 2 - 9

2x = - 8

x = - 8/2 ÷ 2

x = - 4

Resposta: x = - 4

:) Bons estudos