3(6+7x)=-45

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Solution for 3(6+7x)=-45 equation: 



3(6+7x)=-45

We move all terms to the left:

3(6+7x)-(-45)=0

We add all the numbers together, and all the variables

3(7x+6)-(-45)=0

We add all the numbers together, and all the variables

3(7x+6)+45=0

We multiply parentheses

21x+18+45=0

We add all the numbers together, and all the variables

21x+63=0

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

21x=-63

x=-63/21

x=-3

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