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5(2-3x)=21
We simplify the equation to the form, which is simple to understand
5(2-3x)=21
Reorder the terms in parentheses
+(+10-15x)=21
Remove unnecessary parentheses
+10-15x=+21
We move all terms containing x to the left and all other terms to the right.
-15x=+21-10
We simplify left and right side of the equation.
-15x=+11
We divide both sides of the equation by -15 to get x.
x=-0.73333333333333
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