Solve and check. -3(2s + 5) = 15

Holt McDougal Larson Pre-Algebra Common Core Edition page 781 number 14

Asked by Dee Dee on 23 Apr 08:45

Last updated by anonymous on 23 Apr 21:46

Answered by CherieS on 23 Apr 21:46

-3(2s + 5) = 15

-3(2s) (-3)(+5)=15

-6s-15=15

-3s-15+15=15+15

-6s=30

-6s/-6=30/-6

s=-5

Check:

-3(2s + 5) = 15 -3(2*-5+5)=15 -3(-10+5)=15 -3(-5)=15 15=15