If x = 7 you substitute all the x in the equation by 7:y = -2(7) + 5y = -14 + 5y = -9Hope it helped, Happy homework/ study/ exam!
Answer:
volume of cone=1/3 πr²h=1/3 ×π×5²×15=125πcm³
-8
Step-by-step explanation:
you add 5 to -7 to get -2
7 x -1 is -7
so x = -1
8 x -1 = -8
