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3.30x+4.50(30-x)=30(3.70)
We simplify the equation to the form, which is simple to understand
3.30x+4.50(30-x)=30(3.70)
Reorder the terms in parentheses
3.30x+(+135-4.5x)=30*(3.70)
Remove unnecessary parentheses
+3.30x+135-4.5x=+30+*(+3.70+)
Reorder the terms in parentheses
3.30x+135-4.5x=+(+111)
Remove unnecessary parentheses
+3.30x+135-4.5x=+111
We move all terms containing x to the left and all other terms to the right.
+3.3x-4.5x=+111-135
We simplify left and right side of the equation.
-1.2x=-24
We divide both sides of the equation by -1.2 to get x.
x=20
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