3x-15.x=7

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Solution for 3x-15.x=7 equation: 



3x-15.x=7

We move all terms to the left:

3x-15.x-(7)=0

We add all the numbers together, and all the variables

-12x-7=0

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

-12x=7

x=7/-12

x=-7/12

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