SOLUTION: 3x + 4 = 4x -5 3x +4-4= 4x-5-4 3x=4x-1 3x=4x-1 3 = 3 3x=3x 3 =3 x=3 I know i'm doing somthing wrong. I think i miss a step.

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Question 148310: 3x + 4 = 4x -5
3x +4-4= 4x-5-4
3x=4x-1
3x=4x-1
3 = 3
3x=3x
3 =3
x=3
I know i'm doing somthing wrong. I think i miss a step.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Subtract from both sides.


Subtract from both sides.


Combine like terms on the left side.


Combine like terms on the right side.


Divide both sides by to isolate .


Reduce.


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Answer:

So the answer is

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