4(5x+7)=-21+9

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Solution for 4(5x+7)=-21+9 equation: 



4(5x+7)=-21+9

We move all terms to the left:

4(5x+7)-(-21+9)=0

We add all the numbers together, and all the variables

4(5x+7)-(-12)=0

We add all the numbers together, and all the variables

4(5x+7)+12=0

We multiply parentheses

20x+28+12=0

We add all the numbers together, and all the variables

20x+40=0

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

20x=-40

x=-40/20

x=-2

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