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42(28)=21(x)
We simplify the equation to the form, which is simple to understand
42(28)=21(x)
Reorder the terms in parentheses
+(+1176)=21*(x)
Remove unnecessary parentheses
+1176=+21+*(+x+)
Reorder the terms in parentheses
+1176=+(+21x)
Remove unnecessary parentheses
+1176=+21x
We move all terms containing x to the left and all other terms to the right.
-21x=-1176
We simplify left and right side of the equation.
-21x=-1176
We divide both sides of the equation by -021 to get x.
x=56
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