100+30x=400-20x

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Solution for 100+30x=400-20x equation:


100+30x=400-20x

We simplify the equation to the form, which is simple to understand 
100+30x=400-20x

We move all terms containing x to the left and all other terms to the right. 
+30x+20x=+400-100

We simplify left and right side of the equation. 
+50x=+300

We divide both sides of the equation by 50 to get x. 
x=6

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