15x+3x=2x+4215x+3x=2x+42

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Solution for 15x+3x=2x+4215x+3x=2x+42 equation: 



15x+3x=2x+4215x+3x=2x+42

We move all terms to the left:

15x+3x-(2x+4215x+3x)=0

We add all the numbers together, and all the variables

15x+3x-(+4220x)=0

We add all the numbers together, and all the variables

18x-(+4220x)=0

We get rid of parentheses

18x-4220x=0

We add all the numbers together, and all the variables

-4202x=0

x=0/-4202

x=0

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