SOLUTION: Hello, People of the world:) I've been having trouble with a particular question. please HElp me! 21=-11+X what equals X? Thanks alot:)

SOLUTION: Hello, People of the world:) I've been having trouble with a particular question. please HElp me! 21=-11+X what equals X? Thanks alot:)

Algebra.Com

Question 182045: Hello, People of the world:)
I've been having trouble with a particular question.
please HElp me!
21=-11+X
what equals X?
Thanks alot:)

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Add 11 to both sides. Notice how the -11 and 11 on the right side add to 0 and cancel out.

Combine like terms.

So the solution is
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