laurengiselle13 laurengiselle13

06-02-2020
Mathematics

contestada

Solve using substitution:
y = -3x + 5
5x - 4y = -3

Respuesta :

zoey9157 zoey9157

06-02-2020

Answer:

x = 1 y = 2

Step-by-step explanation:

5x - 4y = -3

5x - 4 (-3x + 5) = -3

5x + 12x - 20 = -3

17x - 20 + 20 = -3 + 20

17x = 17 ÷ 17

x = 1

y = -3x + 5

y = -3 (1) + 5

y = -3 + 5

y = 2

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