1+8a=-15

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Solution for 1+8a=-15 equation: 



1+8a=-15

We move all terms to the left:

1+8a-(-15)=0

We add all the numbers together, and all the variables

8a+16=0

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

8a=-16

a=-16/8

a=-2

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