3x+2x-12=103

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Solution for 3x+2x-12=103 equation: 



3x+2x-12=103

We move all terms to the left:

3x+2x-12-(103)=0

We add all the numbers together, and all the variables

5x-115=0

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

5x=115

x=115/5

x=23

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