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40+2.50x=53.50
We simplify the equation to the form, which is simple to understand
40+2.50x=53.50
We move all terms containing x to the left and all other terms to the right.
+2.5x=+53.5-40
We simplify left and right side of the equation.
+2.5x=+13.5
We divide both sides of the equation by 2.5 to get x.
x=5.4
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