3.5=-0.5(a-8)

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Solution for 3.5=-0.5(a-8) equation:



3.5=-0.5(a-8)
We move all terms to the left:
3.5-(-0.5(a-8))=0
We calculate terms in parentheses: -(-0.5(a-8)), so:
-0.5(a-8)
We multiply parentheses
-0.5a+4
Back to the equation:
-(-0.5a+4)
We get rid of parentheses
0.5a-4+3.5=0
We add all the numbers together, and all the variables
0.5a-0.5=0
We move all terms containing a to the left, all other terms to the right
0.5a=0.5
a=0.5/0.5
a=1

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