7a=-2a+45

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Solution for 7a=-2a+45 equation: 



7a=-2a+45

We move all terms to the left:

7a-(-2a+45)=0

We get rid of parentheses

7a+2a-45=0

We add all the numbers together, and all the variables

9a-45=0

We move all terms containing a to the left, all other terms to the right

9a=45

a=45/9

a=5

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