20x-100=5x-20+3x+40

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Solution for 20x-100=5x-20+3x+40 equation: 



20x-100=5x-20+3x+40

We move all terms to the left:

20x-100-(5x-20+3x+40)=0

We add all the numbers together, and all the variables

20x-(8x+20)-100=0

We get rid of parentheses

20x-8x-20-100=0

We add all the numbers together, and all the variables

12x-120=0

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

12x=120

x=120/12

x=10

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