3x-1+2x=7

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Solution for 3x-1+2x=7 equation: 



3x-1+2x=7

We move all terms to the left:

3x-1+2x-(7)=0

We add all the numbers together, and all the variables

5x-8=0

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

5x=8

x=8/5

x=1+3/5

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