8x+3x=20+9x

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Solution for 8x+3x=20+9x equation: 



8x+3x=20+9x

We move all terms to the left:

8x+3x-(20+9x)=0

We add all the numbers together, and all the variables

8x+3x-(9x+20)=0

We add all the numbers together, and all the variables

11x-(9x+20)=0

We get rid of parentheses

11x-9x-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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