Question

Is the ordered pair (2.1) a solution to the system below?

21x + 5y = 7
4x – 3y = 5
yes or no​

Answer 1

The first solution is wrong, the second one is correct.

Explanation:

21x+5y=21(2)+5(1)= 42+5= 47 then,

4x-3y=4(2)-3(1) = 8-3= 5.

2 is for x, then 1 is for y.