7x-21=119

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Solution for 7x-21=119 equation: 



7x-21=119

We move all terms to the left:

7x-21-(119)=0

We add all the numbers together, and all the variables

7x-140=0

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

7x=140

x=140/7

x=20

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