21=7x+98

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Solution for 21=7x+98 equation:



21=7x+98
We move all terms to the left:
21-(7x+98)=0
We get rid of parentheses
-7x-98+21=0
We add all the numbers together, and all the variables
-7x-77=0
We move all terms containing x to the left, all other terms to the right
-7x=77
x=77/-7
x=-11

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