3a+8-7a=-22

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Solution for 3a+8-7a=-22 equation: 



3a+8-7a=-22

We move all terms to the left:

3a+8-7a-(-22)=0

We add all the numbers together, and all the variables

-4a+30=0

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

-4a=-30

a=-30/-4

a=7+1/2

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