4a+7=-15

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Solution for 4a+7=-15 equation: 



4a+7=-15

We move all terms to the left:

4a+7-(-15)=0

We add all the numbers together, and all the variables

4a+22=0

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

4a=-22

a=-22/4

a=-5+1/2

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