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x/3+8=21
We simplify the equation to the form, which is simple to understand
x/3+8=21
We move all terms containing x to the left and all other terms to the right.
+ 0.33333333333333x=+21-8
We simplify left and right side of the equation.
+ 0.33333333333333x=+13
We divide both sides of the equation by 0.33333333333333 to get x.
x=39
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