7x+4x=21+3

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Solution for 7x+4x=21+3 equation: 



7x+4x=21+3

We move all terms to the left:

7x+4x-(21+3)=0

We add all the numbers together, and all the variables

7x+4x-24=0

We add all the numbers together, and all the variables

11x-24=0

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

11x=24

x=24/11

x=2+2/11

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