(3x+5)+(5x-21)=0

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Solution for (3x+5)+(5x-21)=0 equation:



(3x+5)+(5x-21)=0
We get rid of parentheses
3x+5x+5-21=0
We add all the numbers together, and all the variables
8x-16=0
We move all terms containing x to the left, all other terms to the right
8x=16
x=16/8
x=2

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