Question

Find the value of Dx for the equation 4x + 3y = 19 and 4x −

3y = −11
A) 24 B) 0 C) −24 D) 108​

Answer 1

Answer:

The answer is a)24

Step-by-step explanation:

4x+3y=19

4x-3y=-11

|19 3 |

|-11 3 | = 19×3-(-11)×3=57-33=24

Hope this answer will help you ☺️

Answer 2

Answer:

C) -24

Step-by-step explanation:

| 19 3 |

|-11 -3 | = ( 19x-3 ) - ( -11X3 )=

-57 - ( -33 ) = -57 + 33 = -24