3x+20+3x=15+7x+x+3*

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Solution for 3x+20+3x=15+7x+x+3* equation: 



3x+20+3x=15+7x+x+3*

We move all terms to the left:

3x+20+3x-(15+7x+x+3*)=0

We add all the numbers together, and all the variables

3x+3x-(+8x)+20=0

We add all the numbers together, and all the variables

6x-(+8x)+20=0

We get rid of parentheses

6x-8x+20=0

We add all the numbers together, and all the variables

-2x+20=0

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

-2x=-20

x=-20/-2

x=+10

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