3x-7=5x+9=4x

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Solution for 3x-7=5x+9=4x equation:



3x-7=5x+9=4x
We move all terms to the left:
3x-7-(5x+9)=0
We get rid of parentheses
3x-5x-9-7=0
We add all the numbers together, and all the variables
-2x-16=0
We move all terms containing x to the left, all other terms to the right
-2x=16
x=16/-2
x=-8

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