2x-21+15x=47

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Solution for 2x-21+15x=47 equation: 



2x-21+15x=47

We move all terms to the left:

2x-21+15x-(47)=0

We add all the numbers together, and all the variables

17x-68=0

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

17x=68

x=68/17

x=4

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