Question

If x + y = 10, y + z = 20 & y + z = 24 then x + y + z = ?

Answer 1

Answer:

Step-by-step explanation:

Given,

x + y = 10, x = 10 - y

y + z = 20, y = 20 -z

y+ z = 24 (ERROR in the question, how can y + z be 20 and 24??? ig it's z + y)