220-a=21-(.88*a)

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Solution for 220-a=21-(.88*a) equation:



220-a=21-(.88a)
We move all terms to the left:
220-a-(21-(.88a))=0
We add all the numbers together, and all the variables
-a-(21-(+.88a))+220=0
We add all the numbers together, and all the variables
-1a-(21-(+.88a))+220=0
We calculate terms in parentheses: -(21-(+.88a)), so:
21-(+.88a)
determiningTheFunctionDomain -(+.88a)+21
We get rid of parentheses
-.88a+21
We add all the numbers together, and all the variables
-0.88a+21
Back to the equation:
-(-0.88a+21)
We get rid of parentheses
-1a+0.88a-21+220=0
We add all the numbers together, and all the variables
-0.12a+199=0
We move all terms containing a to the left, all other terms to the right
-0.12a=-199
a=-199/-0.12
a=1658+0.04000000000002/0.12

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