(120x+80)+(140x+100)=100

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Solution for (120x+80)+(140x+100)=100 equation: 



(120x+80)+(140x+100)=100

We move all terms to the left:

(120x+80)+(140x+100)-(100)=0

We get rid of parentheses

120x+140x+80+100-100=0

We add all the numbers together, and all the variables

260x+80=0

We move all terms containing x to the left, all other terms to the right

260x=-80

x=-80/260

x=-4/13

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