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100+25x=225+20x
We simplify the equation to the form, which is simple to understand
100+25x=225+20x
We move all terms containing x to the left and all other terms to the right.
+25x-20x=+225-100
We simplify left and right side of the equation.
+5x=+125
We divide both sides of the equation by 5 to get x.
x=25
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