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250x-30+400x=50
We simplify the equation to the form, which is simple to understand
250x-30+400x=50
We move all terms containing x to the left and all other terms to the right.
+250x+400x=+50+30
We simplify left and right side of the equation.
+650x=+80
We divide both sides of the equation by 650 to get x.
x=0.12307692307692
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