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x+x+1/4x=450
We simplify the equation to the form, which is simple to understand
x+x+1/4x=450
We move all terms containing x to the left and all other terms to the right.
+1x+1x+4x=+450
We simplify left and right side of the equation.
+6x=+450
We divide both sides of the equation by 6 to get x.
x=75
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