briannalowe1987
briannalowe1987 briannalowe1987
  • 12-12-2019
  • Mathematics
contestada

Please Help!

Solve the system:

y = 4x − 19

y = −3x + 23

A
(5, 6)

B
(4, 1)

C
No Solution

D
(6, 5)

Respuesta :

capcatchall capcatchall
  • 12-12-2019

Answer:

x=6 y=5

Step-by-step explanation:

set the two equations equal to each other

Answer Link
spark10 spark10
  • 12-12-2019

Answer:

(6,5)

Step-by-step explanation:

The two expressions are both equal to y, so they are equal to each other.

4x - 19 = -3x + 23

Add 3x to both sides.

7x - 19 = 23

Add 19 to both sides.

7x = 42

Divide by 7 to get x alone.

x = 6

Now find the y value by substituting x in an equation.

y = 4x - 19

y = 4(6) - 19 = 24 - 19 = 5

Answer Link

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