3a+7=2a-5a

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Solution for 3a+7=2a-5a equation: 



3a+7=2a-5a

We move all terms to the left:

3a+7-(2a-5a)=0

We add all the numbers together, and all the variables

3a-(-3a)+7=0

We get rid of parentheses

3a+3a+7=0

We add all the numbers together, and all the variables

6a+7=0

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

6a=-7

a=-7/6

a=-1+1/6

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