7x+3=66.

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Solution for 7x+3=66. equation: 



7x+3=66.

We move all terms to the left:

7x+3-(66.)=0

We add all the numbers together, and all the variables

7x+3-66=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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