7x+5x-15=57

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Solution for 7x+5x-15=57 equation:



7x+5x-15=57
We move all terms to the left:
7x+5x-15-(57)=0
We add all the numbers together, and all the variables
12x-72=0
We move all terms containing x to the left, all other terms to the right
12x=72
x=72/12
x=6

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