9x-4=8x+21

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Solution for 9x-4=8x+21 equation:



9x-4=8x+21
We move all terms to the left:
9x-4-(8x+21)=0
We get rid of parentheses
9x-8x-21-4=0
We add all the numbers together, and all the variables
x-25=0
We move all terms containing x to the left, all other terms to the right
x=25

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