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0.45(x+50) + 0.18(x+40)=-27
We simplify the equation to the form, which is simple to understand
0.45(x+50) + 0.18(x+40)=-27
Reorder the terms in parentheses
+( + 0.45x+22.5) + 0.18*(x+40)=-27
Remove unnecessary parentheses
+ 0.45x+22.5 + 0.18+*(+x+40+)=-27
Reorder the terms in parentheses
+ 0.45x+22.5+( + 0.18x+7.2)=-27
Remove unnecessary parentheses
+ 0.45x+22.5 + 0.18x+7.2=-27
We move all terms containing x to the left and all other terms to the right.
+ 0.45x + 0.18x=-27-22.5-7.2
We simplify left and right side of the equation.
+ 0.63x=-56.7
We divide both sides of the equation by 0.63 to get x.
x=-90
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