3x+9=7x-4

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



3x+9=7x-4
We move all terms to the left:
3x+9-(7x-4)=0
We get rid of parentheses
3x-7x+4+9=0
We add all the numbers together, and all the variables
-4x+13=0
We move all terms containing x to the left, all other terms to the right
-4x=-13
x=-13/-4
x=3+1/4

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