SOLUTION: i need help with this please 7a=2a+30

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Question 54510This question is from textbook algebra
: i need help with this please
7a=2a+30 This question is from textbook algebra

Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
If you subtract 2a from both sides thusly: 7a-2a=2a-2a%2B30, you'll get 5a=30. Now just divide both sides by 5: 5a%2F5=30%2F5, which reduces to a=6.