Question

solve equation. -2(y-1)=9

Answer 1

y = -7/2

Explanation:

-2(y-1)=9​

expand the bracket:

-2 × y -2 × -1 = 9

-2y + 2 = 9

collect like terms:

-2y = 9 -2

-2y = 7

Divide both sides by -2:

-2y/-2 = 7/-2

y = -7/2