SOLUTION: I am having trouble with the addition and multiplication principles of solving inequalities. These are the problems I am struggling with: addition principle; t-19<12 and multiplica

Question 307277: I am having trouble with the addition and multiplication principles of solving inequalities. These are the problems I am struggling with: addition principle; t-19<12 and multiplication principle; 6a+10 is greater than or equal to 7a. When trying to solve these problems I do not get the answers that are on the multiple choice mixed problems in my class. PLEASE HELP!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve:
Just add 19 to both sides.

Subtract 6a from both sides.
or
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