Question

2/3×+3(×-15)=120
me ajudem ​

Answer 1

Resposta:

2/3x+3x-45=120

6x/3x=165

3x=165

x=165/3= 55

Answer 2

Resposta:

$45$

Explicação passo-a-passo:

$\frac{2}{3} .x + 3.(x - 15) = 120$

$\frac{2x}{3} + 3x - 45 = 120$

$mmc = 3$

$2x + 9x - 135 = 360$

$11x = 360 + 135$

$11x = 495 \\ x = \frac{495}{11}$

$x = 45$