Add the two equations together, by adding the left and right sides separately. That gives you
10y = 40.
Next divide both sides by 10 for the value of x.
Once you know x, substitute its value into either of your original equations to calculate y.
Solve using elimination method
x+5y=21
-x+5y=19
2 answers
So would the ordered pair be (1,4)?
1 answer