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10(5x-9)=-10(10x+9)
We simplify the equation to the form, which is simple to understand
10(5x-9)=-10(10x+9)
Reorder the terms in parentheses
+(+50x-90)=-10*(10x+9)
Remove unnecessary parentheses
+50x-90=-10+*(+10x+9+)
Reorder the terms in parentheses
+50x-90=+(-100x-90)
Remove unnecessary parentheses
+50x-90=-100x-90
We move all terms containing x to the left and all other terms to the right.
+50x+100x=-90+90
We simplify left and right side of the equation.
+150x=0
We divide both sides of the equation by 150 to get x.
x=0
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