Answer:
5x+4y+12z
Step-by-step explanation:
i hope this help
Step-by-step explanation:
y-13<6
y<6+13
y<19
hope it helps.
Answer:
x = 2, y = -3
Step-by-step explanation:
Add them together and get
9x + 8y - 9x - 9y = -6 + 9
-y = 3
so y = -3.
Sub it into the first equation and get
9x + 8(-3) = -6
9x - 24 = -6
9x = -6 + 24 = 18
x = 18/9 = 2