7+3a=8a-3

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Solution for 7+3a=8a-3 equation: 



7+3a=8a-3

We move all terms to the left:

7+3a-(8a-3)=0

We get rid of parentheses

3a-8a+3+7=0

We add all the numbers together, and all the variables

-5a+10=0

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

-5a=-10

a=-10/-5

a=+2

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