X-7=-21,x=

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Solution for X-7=-21,x= equation: 



X-7=-21.X=

We move all terms to the left:

X-7-(-21.X)=0

We add all the numbers together, and all the variables

X-(-21X)-7=0

We get rid of parentheses

X+21X-7=0

We add all the numbers together, and all the variables

22X-7=0

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

22X=7

X=7/22

X=7/22

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