Answer:
-3x-3y=-24
divide the equation by 3
-x-y=-8
multiply -1
x+y=8
second equation
x+y=8
same equation
so answer is
x+y=8
Step-by-step explanation:
P-23=-3
+23 +23
P=20
so the answer is A
15% of what number is 36
15% of 36=5.4
Answer: 9^-16
Step-by-step explanation:
a^b*a^c= a^b+c
