melissa3373 melissa3373

15-12-2020
Mathematics

contestada

X+ 6y = 15
3x + 4y= 3

Respuesta :

shemtomke shemtomke

15-12-2020

Answer:

x = -3

y = 3

Step-by-step explanation:

Step 1

X = 15 - 6y

Step 2

Replace x with 15 -6y in the second eqation

3(15 - 6y) + 4y = 3

45 - 18y + 4y = 3

45 - 3 = 18y - 4y

42 = 14 y

y= 3

find x:

X = 15 - 6(3)

x = -3

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