90+2x-9=180

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Solution for 90+2x-9=180 equation: 



90+2x-9=180

We move all terms to the left:

90+2x-9-(180)=0

We add all the numbers together, and all the variables

2x-99=0

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

2x=99

x=99/2

x=49+1/2

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