Question

4. What is the value of y in the system of equations shown below?

z+y+z=22
y+z=16
z-2=7

Answer 1

Explanation:

Y = 22 - 2Z

22 - 2Z + Z = 16

22 - Z = 16

Z = 6

Y + Z = 16

Y + 6 = 16

Y = 10