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12=30*x/30+x
We simplify the equation to the form, which is simple to understand
12=30*x/30+x
Simplifying:
12=+30x/30+x
Simplifying:
12=+1x+x
We move all terms containing x to the left and all other terms to the right.
-1x-1x=-12
We simplify left and right side of the equation.
-2x=-12
We divide both sides of the equation by -2 to get x.
x=6
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