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7.5(450-x)+6x=450
We simplify the equation to the form, which is simple to understand
7.5(450-x)+6x=450
Reorder the terms in parentheses
+(+3375-7.5x)+6x=450
Remove unnecessary parentheses
+3375-7.5x+6x=+450
We move all terms containing x to the left and all other terms to the right.
-7.5x+6x=+450-3375
We simplify left and right side of the equation.
-1.5x=-2925
We divide both sides of the equation by -1.5 to get x.
x=1950
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