7x+x=51

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Solution for 7x+x=51 equation:



7x+x=51
We move all terms to the left:
7x+x-(51)=0
We add all the numbers together, and all the variables
8x-51=0
We move all terms containing x to the left, all other terms to the right
8x=51
x=51/8
x=6+3/8

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