90+4x-8=7x-9=180

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Solution for 90+4x-8=7x-9=180 equation: 



90+4x-8=7x-9=180

We move all terms to the left:

90+4x-8-(7x-9)=0

We add all the numbers together, and all the variables

4x-(7x-9)+82=0

We get rid of parentheses

4x-7x+9+82=0

We add all the numbers together, and all the variables

-3x+91=0

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

-3x=-91

x=-91/-3

x=30+1/3

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