Question

find te value of determinant |x 2| |-5 7| = 31 find the values of x



plz help me ​

Answer 1

Answer:

the value of x will be "3"

Step-by-step explanation:

(7×x)-(-5×2)=31

7x + 10=31

7x =31-10

x=21/7

x=3...Answer