SOLUTION: Solve the system by addition or substitution.
-9x - 3y = 22
y = -3x - 6
Algebra.Com
Question 165439: Solve the system by addition or substitution.
-9x - 3y = 22
y = -3x - 6
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given system
Plug in into the first equation. In other words, replace each with . Notice we've eliminated the variables. So we now have a simple equation with one unknown.
Distribute
Combine like terms on the left side
Subtract 18 from both sides
Combine like terms on the right side
Since this equation is never true for any x value, this means there are no solutions.
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