Question

Check which of the following is a solution of the equation 2x+y=7​

Answer 1

Answer:

by hit and trial method as options are given, 2× -2+ 11= 7. (-2, 11) is the answer

Answer 2

Answer:

$\LARGE{ \underline{\underline{ \pink{ \bf{Required \: answer:}}}}}$

By hit and trial

take coordinate (-2,11)

put the value in equation 2x + y = 7

LHS

2 x (-2) + 11

= -4 +11

= 7

RHS

7

therefore, LHS= RHS