3x+5x=18+2x

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Solution for 3x+5x=18+2x equation: 



3x+5x=18+2x

We move all terms to the left:

3x+5x-(18+2x)=0

We add all the numbers together, and all the variables

3x+5x-(2x+18)=0

We add all the numbers together, and all the variables

8x-(2x+18)=0

We get rid of parentheses

8x-2x-18=0

We add all the numbers together, and all the variables

6x-18=0

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

6x=18

x=18/6

x=3

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