4a-8=-a+7

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Solution for 4a-8=-a+7 equation:



4a-8=-a+7
We move all terms to the left:
4a-8-(-a+7)=0
We add all the numbers together, and all the variables
4a-(-1a+7)-8=0
We get rid of parentheses
4a+1a-7-8=0
We add all the numbers together, and all the variables
5a-15=0
We move all terms containing a to the left, all other terms to the right
5a=15
a=15/5
a=3

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