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(4.6)(2.5a-2)=6.9
We move all terms to the left:
(4.6)(2.5a-2)-(6.9)=0
We add all the numbers together, and all the variables
(4.6)(2.5a-2)-6.9=0
We multiply parentheses ..
(+9.2a-9.2)-6.9=0
We add all the numbers together, and all the variables
(9.2a-9.2)-6.9=0
We get rid of parentheses
9.2a-9.2-6.9=0
We add all the numbers together, and all the variables
9.2a-16.1=0
We move all terms containing a to the left, all other terms to the right
9.2a=16.1
a=16.1/9.2
a=1+1.7692307692308/2.3589743589744
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