8x+9x=81

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Solution for 8x+9x=81 equation:



8x+9x=81
We move all terms to the left:
8x+9x-(81)=0
We add all the numbers together, and all the variables
17x-81=0
We move all terms containing x to the left, all other terms to the right
17x=81
x=81/17
x=4+13/17

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