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10.50(40)+15.75(x-40)=514.50
We move all terms to the left:
10.50(40)+15.75(x-40)-(514.50)=0
We add all the numbers together, and all the variables
15.75(x-40)+10.5040-(514.5)=0
We add all the numbers together, and all the variables
15.75(x-40)-503.996=0
We multiply parentheses
15.75x-630-503.996=0
We add all the numbers together, and all the variables
15.75x-1133.996=0
We move all terms containing x to the left, all other terms to the right
15.75x=1133.996
x=1133.996/15.75
x=71+1/1.0002540327702
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