9x-4+21x-4=180

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Solution for 9x-4+21x-4=180 equation: 



9x-4+21x-4=180

We move all terms to the left:

9x-4+21x-4-(180)=0

We add all the numbers together, and all the variables

30x-188=0

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

30x=188

x=188/30

x=6+4/15

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