7x+21=-45

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Solution for 7x+21=-45 equation: 



7x+21=-45

We move all terms to the left:

7x+21-(-45)=0

We add all the numbers together, and all the variables

7x+66=0

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

7x=-66

x=-66/7

x=-9+3/7

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