Question

Solve the equation x+y=7 by trial and error method.

Answer 1

Step-by-step explanation:

ANSWER

Put x=4

2

4

+7=11

2+7=11

9=11

Put x=8

2

8

+7=11

4+7=11

11=11

So 8 is the final Answer

Answer 2

Answer:

Hope this will help you.