Question

If x+y=10 then x+y+z=10+z .solve this sum

Answer 1

Answer:

0

Step-by-step explanation:

Answer 2

Answer:

if x+y=10

ATQ

(x+y)+z=10+z

10+z=10+z

z=1

LHS

x+y+z=(x+y)+z=10+1=11

RHS

10+z=10+1=11

Equation

11=11+0

11-11=0

Therefore sum =0