6.9x-7.8=12.9

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Solution for 6.9x-7.8=12.9 equation: 



6.9x-7.8=12.9

We move all terms to the left:

6.9x-7.8-(12.9)=0

We add all the numbers together, and all the variables

6.9x-20.7=0

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

6.9x=20.7

x=20.7/6.9

x=2+1/1

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