Question

solve this plzz determinants

Answer 1

We can find determinant by x×4-(-5)× 3 =

4x+15 = 31

4x = 31 - 15

4x = 16

x = 4

U can ask if any query

brainliest !! pls

Answer 2

Answer:

4

Step-by-step explanation:

as the determinant given then....so by applying the rule as [ad-bc]

we get;

4x+15=31

4x=31-15

4x=16

x=4

hope it will be help full!