6x+9=3x=15

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Solution for 6x+9=3x=15 equation:



6x+9=3x=15
We move all terms to the left:
6x+9-(3x)=0
We add all the numbers together, and all the variables
3x+9=0
We move all terms containing x to the left, all other terms to the right
3x=-9
x=-9/3
x=-3

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