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-0.01(a+4)=0.12+0.02(-2a+4)
We move all terms to the left:
-0.01(a+4)-(0.12+0.02(-2a+4))=0
We multiply parentheses
-0.01a-(0.12+0.02(-2a+4))-0.04=0
We calculate terms in parentheses: -(0.12+0.02(-2a+4)), so:We get rid of parentheses
0.12+0.02(-2a+4)
determiningTheFunctionDomain 0.02(-2a+4)+0.12
We multiply parentheses
-0.04a+0.08+0.12
We add all the numbers together, and all the variables
-0.04a+0.2
Back to the equation:
-(-0.04a+0.2)
-0.01a+0.04a-0.2-0.04=0
We add all the numbers together, and all the variables
0.03a-0.24=0
We move all terms containing a to the left, all other terms to the right
0.03a=0.24
a=0.24/0.03
a=8
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