15x+145+7x+231=420

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Solution for 15x+145+7x+231=420 equation: 



15x+145+7x+231=420

We move all terms to the left:

15x+145+7x+231-(420)=0

We add all the numbers together, and all the variables

22x-44=0

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

22x=44

x=44/22

x=2

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