lottie95 lottie95

14-07-2021
Mathematics

contestada

3x+2y=4
4x+5y=10
solve the simultaneous equations (find x & y)

Respuesta :

Angelina010001 Angelina010001

21-07-2021

Answer: (0;2)

3x + 2y = 4 | * (-5)

4x + 5y = 10 | * 2

-15x - 10y = -20

8x + 10y = 20

-15x - 10y + 8x + 10y = 20 - 20

x = 0

0 + 2y = 4

2y = 4

y = 2

(0; 2)

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