Question

x-10=0

15-x=10

20+x=40

​

Answer 1

Answer:

In the above three equations two of them should be false so that the other one will be true.

Step-by-step explanation:

Like you can see:-

If x-10=0 the then x should be 10 which doesn't satisfy the other two equations because

15-10#0

20+10#40

Likewise this,

If 15-x=10 then x should be 5 which doesn't satisfy the other two equations because

5-10#0

20+5#40

And if 20+x=40 then x should be 20 which doesn't satisfy the other two equations because

20-10#0

15-10#10

Hence, two equations of the above equations must be false to satisfy the other equation.