7x+7+9x-9=180

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Solution for 7x+7+9x-9=180 equation: 



7x+7+9x-9=180

We move all terms to the left:

7x+7+9x-9-(180)=0

We add all the numbers together, and all the variables

16x-182=0

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

16x=182

x=182/16

x=11+3/8

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