15x-20=6x=7

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Solution for 15x-20=6x=7 equation: 



15x-20=6x=7

We move all terms to the left:

15x-20-(6x)=0

We add all the numbers together, and all the variables

9x-20=0

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

9x=20

x=20/9

x=2+2/9

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