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12+3x/5=39
We simplify the equation to the form, which is simple to understand
12+3x/5=39
We move all terms containing x to the left and all other terms to the right.
+ 0.6x=+39-12
We simplify left and right side of the equation.
+ 0.6x=+27
We divide both sides of the equation by 0.6 to get x.
x=45
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