7x+9+4x=75

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Solution for 7x+9+4x=75 equation: 



7x+9+4x=75

We move all terms to the left:

7x+9+4x-(75)=0

We add all the numbers together, and all the variables

11x-66=0

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

11x=66

x=66/11

x=6

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