Question

7×+10-5×=-4×+3-5 e tire a prova

Answer 1

7×+10-5×=-4×+3-5
2x + 10 = - 4x - 2
6x = - 12
x = - 2

7.(-2) + 10 - 5.(-2) = - 4.(-2) - 2
-14 + 20 = 8 - 2
6 = 6

Resposta: x = - 2

Espero ter ajudado ^^