Question

7(2x−3)+2(x+1)−5(x−9)=3x+10 e ache o valor de x​

Answer 1

Resposta:

7(2x−3)+2(x+1)−5(x−9)=3x+10

14x - 21 + 2x + 2 - 5x + 45 = 3x + 10

11x + 26 = 3x + 10

11x + 26 - 3x = 10

8x + 26 = 10

8x = 10 - 26

8x = - 16

x = -16/8

x = -2