Question

If xy = 4, z - y = 3, and 2z = 10, what is the value of x + y + z?​

Answer 1

Step-by-step explanation:

2z=10

z=5

xy=4------(1)

z-y=3-----(2)

sub zero value in eq(2)

5-y=3

-y=3-5

y=2

sub y value in eq(1)

x(2)=4

x=2

x+y+z=2+2+5=9