Use substitution when either and x or y is given, for instance: x = 2y + 3 or y = 8x - 9.
Use elimination when a number from both equations can cancel each other out, for example:
2x + 3y = 19
-2x + 7y = 12
Hope this helps!
The awnser is a or c I hope I helped you with your question
Answer:
what- what reading
Step-by-step explanation:
The correct answer would be A! (:
Domain: [-5, 5)
range:(-4,4]
hope this helps
