-3a+3+4a=10-21

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Solution for -3a+3+4a=10-21 equation: 



-3a+3+4a=10-21

We move all terms to the left:

-3a+3+4a-(10-21)=0

We add all the numbers together, and all the variables

-3a+4a+3-(-11)=0

We add all the numbers together, and all the variables

a+14=0

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

a=-14

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