100x-80=-30x-10=0

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Solution for 100x-80=-30x-10=0 equation: 



100x-80=-30x-10=0

We move all terms to the left:

100x-80-(-30x-10)=0

We get rid of parentheses

100x+30x+10-80=0

We add all the numbers together, and all the variables

130x-70=0

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

130x=70

x=70/130

x=7/13

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