15x+3x=2x+42

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Solution for 15x+3x=2x+42 equation: 



15x+3x=2x+42

We move all terms to the left:

15x+3x-(2x+42)=0

We add all the numbers together, and all the variables

18x-(2x+42)=0

We get rid of parentheses

18x-2x-42=0

We add all the numbers together, and all the variables

16x-42=0

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

16x=42

x=42/16

x=2+5/8

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