4804202696 4804202696
  • 06-11-2020
  • Mathematics
contestada

5x -4y = -23

-5x + 9y =8

Respuesta :

AAlsoufi11208
AAlsoufi11208 AAlsoufi11208
  • 06-11-2020

Answer:

Let's solve for x.

5x−4y=−23−5x+9y

Step 1: Add 5x to both sides.

5x−4y+5x=−5x+9y−23+5x

10x−4y=9y−23

Step 2: Add 4y to both sides.

10x−4y+4y=9y−23+4y

10x=13y−23

Step 3: Divide both sides by 10.

10x

10

=

13y−23

10

x=

13

10

y+

−23

10

Answer:

x=

13

10

y+

−23

10

Step-by-step explanation:

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