x=-21-7

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Solution for x=-21-7 equation: 



x=-21-7

We move all terms to the left:

x-(-21-7)=0

We add all the numbers together, and all the variables

x-(-28)=0

We add all the numbers together, and all the variables

x+28=0

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

x=-28

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