4x+5x=7200

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Solution for 4x+5x=7200 equation: 



4x+5x=7200

We move all terms to the left:

4x+5x-(7200)=0

We add all the numbers together, and all the variables

9x-7200=0

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

9x=7200

x=7200/9

x=800

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