Question

URGENTE PORFAVORRRRRRRRRRRRRRRRRRRR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ( -3ab + 6ab - 20) -7ab + 18ab + 15 =

Answer 1

Resposta:

(-3ab+6ab-20)-7ab+18ab+15

3ab-20-7ab+18ab+15

-4ab-20+18ab+15

14ab-20+15

14ab-5

Explicação passo-a-passo:

Answer 2

Olá!

(-3ab + 6ab - 20) -7ab + 18ab + 15 =

(3ab - 20) 11ab + 15

-20 + 15 = -3ab - 11ab

-5 = -14ab

5 = 14ab

14ab = 5

ab = $\frac{5}{14}$