Question

x+y=z
x+z=4
y+z=5
x+x=y
what is the value of x,y,z?

Answer 1

Answer:

x + y = z

x + z = x + x + y = 2 x + y = 4

x + x = y

2 x + y = 2 x + x + x = 4 x = 4

Thus, x = 4/4 = 1

x + x = 1 + 1 = y = 2

y + z = 2 + z = 5

z = 5 - 2 = 3

Thus, x = 1 ; y = 2 ; z = 3.

Hope it helps !!!!