3.9+6.9x=33.9

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Solution for 3.9+6.9x=33.9 equation: 



3.9+6.9x=33.9

We move all terms to the left:

3.9+6.9x-(33.9)=0

We add all the numbers together, and all the variables

6.9x-30=0

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

6.9x=30

x=30/6.9

x=4+1/2.875

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