Question

3b = -15 qual valor de b

Answer 1

Resposta:

o valor de b=12

Explicação passo-a-passo:

pois 15-3b=12

espero ter ajudado

Answer 2

$3b = -15\\\\\frac{3b}{3}=\frac{-15}{3}\\\\\frac{3b}{3}\\\\\frac{-15}{3}\\\\=-5(-15:3= -5)\\\\b= -5$