SOLUTION: Solve for the variable in each equation. show all your work. CHECK each answer. 1. 2x+5x=210

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve for the variable in each equation. show all your work. CHECK each answer. 1. 2x+5x=210       Log On


   

Question 642309: Solve for the variable in each equation. show all your work. CHECK each answer.
1. 2x+5x=210
Found 2 solutions by solver91311, lynnlo:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Add 2x to 5x to get 7x. Then divide both sides by 7.

John

My calculator said it, I believe it, that settles it
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Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
(1)x=30
(2)a<8