a=-7.5a=a-1+2.5

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Solution for a=-7.5a=a-1+2.5 equation:



a=-7.5a=a-1+2.5
We move all terms to the left:
a-(-7.5a)=0
We get rid of parentheses
a+7.5a=0
We add all the numbers together, and all the variables
8.5a=0
a=0/8.5
a=0

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