120+0.30x=80+0.70x

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Solution for 120+0.30x=80+0.70x equation:


120 + 0.30x=80 + 0.70x

We simplify the equation to the form, which is simple to understand 
120 + 0.30x=80 + 0.70x

We move all terms containing x to the left and all other terms to the right. 
 + 0.3x-0.7x=+80-120

We simplify left and right side of the equation. 
-0.4x=-40

We divide both sides of the equation by -0.4 to get x. 
x=100

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