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x/4-3=9/12
We simplify the equation to the form, which is simple to understand
x/4-3=9/12
Simplifying:
+ 0.25x-3=9/12
Simplifying:
+ 0.25x-3=0.75
We move all terms containing x to the left and all other terms to the right.
+ 0.25x=0.75+3
We simplify left and right side of the equation.
+ 0.25x=+3.75
We divide both sides of the equation by 0.25 to get x.
x=15
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