5a+7=-2a+105

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Solution for 5a+7=-2a+105 equation: 



5a+7=-2a+105

We move all terms to the left:

5a+7-(-2a+105)=0

We get rid of parentheses

5a+2a-105+7=0

We add all the numbers together, and all the variables

7a-98=0

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

7a=98

a=98/7

a=14

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