15a+7-2a=-19

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Solution for 15a+7-2a=-19 equation: 



15a+7-2a=-19

We move all terms to the left:

15a+7-2a-(-19)=0

We add all the numbers together, and all the variables

13a+26=0

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

13a=-26

a=-26/13

a=-2

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