161=-21x-7

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Solution for 161=-21x-7 equation: 



161=-21x-7

We move all terms to the left:

161-(-21x-7)=0

We get rid of parentheses

21x+7+161=0

We add all the numbers together, and all the variables

21x+168=0

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

21x=-168

x=-168/21

x=-8

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