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(x/3)+x=100
We simplify the equation to the form, which is simple to understand
(x/3)+x=100
Remove unnecessary parentheses
+ 0.33333333333333x+x=100
We move all terms containing x to the left and all other terms to the right.
+ 0.33333333333333x+1x=+100
We simplify left and right side of the equation.
+1.3333333333333x=+100
We divide both sides of the equation by 1.3333333333333 to get x.
x=75
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