7x-9=4x+20

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Solution for 7x-9=4x+20 equation:



7x-9=4x+20
We move all terms to the left:
7x-9-(4x+20)=0
We get rid of parentheses
7x-4x-20-9=0
We add all the numbers together, and all the variables
3x-29=0
We move all terms containing x to the left, all other terms to the right
3x=29
x=29/3
x=9+2/3

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