3x+5x-12=x+3

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Solution for 3x+5x-12=x+3 equation: 



3x+5x-12=x+3

We move all terms to the left:

3x+5x-12-(x+3)=0

We add all the numbers together, and all the variables

8x-(x+3)-12=0

We get rid of parentheses

8x-x-3-12=0

We add all the numbers together, and all the variables

7x-15=0

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

7x=15

x=15/7

x=2+1/7

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