Question

Explain the steps used to find the solution.

3(2y + 5) = -21
6y + 15 = -21
6y = -36
Y= -6

Answer 1

3(2y + 5) = -21

open the bracket

6y + 15 = -21

collect like terms

6y = -21-15

6y = -36

divide by the coefficient of y

y = 36÷6

y= 6