Answer: 78
Step-by-step explanation:
2(l · w)
2(24·15)
78
Answer:
i dont know maybe you should search google. best of Luck
Step-by-step explanation:
you can plug the x value (9y) into the second equation
5(9y) + 3y = -48
45y + 3y = -48
48y = -48
y = -1
x = 9(-1)
x = -9