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28-2(5a-3)=471.3-1.3-2.58.1
We move all terms to the left:
28-2(5a-3)-(471.3-1.3-2.58.1)=0
We add all the numbers together, and all the variables
-2(5a-3)+28-(469.742)=0
We add all the numbers together, and all the variables
-2(5a-3)-441.742=0
We multiply parentheses
-10a+6-441.742=0
We add all the numbers together, and all the variables
-10a-435.742=0
We move all terms containing a to the left, all other terms to the right
-10a=435.742
a=435.742/-10
a=-43+1/1.74155346569
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