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6a+2(a+1.80)=15.20
We move all terms to the left:
6a+2(a+1.80)-(15.20)=0
We add all the numbers together, and all the variables
6a+2(a+1.8)-(15.2)=0
We add all the numbers together, and all the variables
6a+2(a+1.8)-15.2=0
We multiply parentheses
6a+2a+3.6-15.2=0
We add all the numbers together, and all the variables
8a-11.6=0
We move all terms containing a to the left, all other terms to the right
8a=11.6
a=11.6/8
a=1+2.25/5
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