Question

Decide whether x = 2 and y =−1 is the solution of the equation 2x + y =

3 or not?​

Answer 1

So,x = 2 and y =−1 is the solution of the equation 2x+y=3

Step-by-step explanation:

x=2 and y=-1

2(2)+(-1)=3

4+(-1)=3

4-1=3

3=3

LHS=RHS.

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Answer 2

• " yes"

WE ALREADY KNOW THAT ;

x = 2 ; and y = -1 .

So..

• 2 × (x) + (y) = ?

2 × (x) + (y) = ?

Or; 2 × (2) + (-1)

2 × (x) + (y) = ?

Or; 2 × (2) + (-1)

Or; 4 + (-1) = 3 ...Answer