3x+8x=30

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Solution for 3x+8x=30 equation: 



3x+8x=30

We move all terms to the left:

3x+8x-(30)=0

We add all the numbers together, and all the variables

11x-30=0

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

11x=30

x=30/11

x=2+8/11

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