-2a-7=-3a-4

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Solution for -2a-7=-3a-4 equation: 



-2a-7=-3a-4

We move all terms to the left:

-2a-7-(-3a-4)=0

We get rid of parentheses

-2a+3a+4-7=0

We add all the numbers together, and all the variables

a-3=0

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

a=3

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