3x+5+4x=2x+20

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Solution for 3x+5+4x=2x+20 equation: 



3x+5+4x=2x+20

We move all terms to the left:

3x+5+4x-(2x+20)=0

We add all the numbers together, and all the variables

7x-(2x+20)+5=0

We get rid of parentheses

7x-2x-20+5=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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