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28x-21=4x+12+4
We simplify the equation to the form, which is simple to understand
28x-21=4x+12+4
We move all terms containing x to the left and all other terms to the right.
+28x-4x=+12+4+21
We simplify left and right side of the equation.
+24x=+37
We divide both sides of the equation by 24 to get x.
x=1.5416666666667
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