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(40-x)/40=0.35
We move all terms to the left:
(40-x)/40-(0.35)=0
We add all the numbers together, and all the variables
(-1x+40)/40-(0.35)=0
We add all the numbers together, and all the variables
(-1x+40)/40-0.35=0
We multiply all the terms by the denominator
(-1x+40)-(0.35)*40=0
We add all the numbers together, and all the variables
(-1x+40)-14=0
We get rid of parentheses
-1x+40-14=0
We add all the numbers together, and all the variables
-1x+26=0
We move all terms containing x to the left, all other terms to the right
-x=-26
x=-26/-1
x=+26
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