2a+7-5a=a-10

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Solution for 2a+7-5a=a-10 equation: 



2a+7-5a=a-10

We move all terms to the left:

2a+7-5a-(a-10)=0

We add all the numbers together, and all the variables

-3a-(a-10)+7=0

We get rid of parentheses

-3a-a+10+7=0

We add all the numbers together, and all the variables

-4a+17=0

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

-4a=-17

a=-17/-4

a=4+1/4

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