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28x-7=7x-4
We simplify the equation to the form, which is simple to understand
28x-7=7x-4
We move all terms containing x to the left and all other terms to the right.
+28x-7x=-4+7
We simplify left and right side of the equation.
+21x=+3
We divide both sides of the equation by 21 to get x.
x=0.14285714285714
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