Question
How do I solve by the elimination method
9x-y=75
x+y=15
9x-y=75
x+y=15
Answers
PsyDAG
9x-y=75
x+y=15
Add the two equations.
10x = 90
Can you take it from there?
x+y=15
Add the two equations.
10x = 90
Can you take it from there?