7x+9=51.

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Solution for 7x+9=51. equation: 



7x+9=51.

We move all terms to the left:

7x+9-(51.)=0

We add all the numbers together, and all the variables

7x+9-51=0

We add all the numbers together, and all the variables

7x-42=0

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

7x=42

x=42/7

x=6

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