I’d say 21 and -1 :)
21 * -1 = -21
21 - 1 = 20
Answer:
9x+6y is your simplified answer
Step-by-step explanation:
Your welcome
Answer:
29
Step-by-step explanation:
Easiest method you can apply (Cramer's one). <em>"</em><em>Thanks</em><em> </em><em>me</em><em>"</em><em> </em>if i've been helpful