Question

Resolva a equação D) 3(×-1)-7=15

Answer 1

Resposta:

$3x - 3 - 7 = 15$

$3x = 15 + 3 + 7$

$3x = 25$

$x = \frac{25}{3}$

Answer 2

Resposta:

-4. 3(×-1)-7=-4

Resposta=-4