7(x+3)=45-3(12-4)

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Solution for 7(x+3)=45-3(12-4) equation: 



7(x+3)=45-3(12-4)

We move all terms to the left:

7(x+3)-(45-3(12-4))=0

We add all the numbers together, and all the variables

7(x+3)-(45-38)=0

We add all the numbers together, and all the variables

7(x+3)-7=0

We multiply parentheses

7x+21-7=0

We add all the numbers together, and all the variables

7x+14=0

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

7x=-14

x=-14/7

x=-2

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