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x=.45x+40
We simplify the equation to the form, which is simple to understand
x=.45x+40
We move all terms containing x to the left and all other terms to the right.
+1x-0.45x=+40
We simplify left and right side of the equation.
+ 0.55x=+40
We divide both sides of the equation by 0.55 to get x.
x=72.7272727273
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