80+20x=70+15x

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Solution for 80+20x=70+15x equation: 



80+20x=70+15x

We move all terms to the left:

80+20x-(70+15x)=0

We add all the numbers together, and all the variables

20x-(15x+70)+80=0

We get rid of parentheses

20x-15x-70+80=0

We add all the numbers together, and all the variables

5x+10=0

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

5x=-10

x=-10/5

x=-2

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