-a+8=15

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Solution for -a+8=15 equation:



-a+8=15
We move all terms to the left:
-a+8-(15)=0
We add all the numbers together, and all the variables
-1a-7=0
We move all terms containing a to the left, all other terms to the right
-a=7
a=7/-1
a=-7

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