3(7x+4)=-9

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Solution for 3(7x+4)=-9 equation: 



3(7x+4)=-9

We move all terms to the left:

3(7x+4)-(-9)=0

We add all the numbers together, and all the variables

3(7x+4)+9=0

We multiply parentheses

21x+12+9=0

We add all the numbers together, and all the variables

21x+21=0

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

21x=-21

x=-21/21

x=-1

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