Solve and check. 10 - 2x = 3x - 20

Holt McDougal Larson Algebra 1 Common Core Edition EP3 number 30

Asked by Dee Dee on 26 Apr 11:08

Last updated by anonymous on 27 Apr 00:45

Answered by CherieS on 27 Apr 00:45

10 - 2x = 3x - 20

10-10-2x=3x-20-10

-2x=3x-30

-2x-3x=3x-3x-30

-5x=-30

-5x/-5=-30/-5

x=6

Check:

10 - 2x = 3x - 20

10-2(6)=3(6)-20

10-12=18-20

-2=-2