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12+x=0.6(30+x)
We simplify the equation to the form, which is simple to understand
12+x=0.6(30+x)
Reorder the terms in parentheses
12+x=+(+18 + 0.6x)
Remove unnecessary parentheses
+12+x=+18 + 0.6x
We move all terms containing x to the left and all other terms to the right.
+1x-0.6x=+18-12
We simplify left and right side of the equation.
+ 0.4x=+6
We divide both sides of the equation by 0.4 to get x.
x=15
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