4x+3x-2x=21+4

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Solution for 4x+3x-2x=21+4 equation: 



4x+3x-2x=21+4

We move all terms to the left:

4x+3x-2x-(21+4)=0

We add all the numbers together, and all the variables

4x+3x-2x-25=0

We add all the numbers together, and all the variables

5x-25=0

We move all terms containing x to the left, all other terms to the right

5x=25

x=25/5

x=5

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