nateobrielle1114 nateobrielle1114

06-05-2020
Mathematics

contestada

2y-3x=-27
5y+3x=6
Solve x and y

Respuesta :

Chelboy Chelboy

06-05-2020

Answer: y=-3 x=7

Step-by-step explanation:

2y-3x=-27.............(1)

5y+3x=6.................(11)

Add (1) and (11)

2y+5y-3x+3x=-27+6

7y=-21

Divide both sides by 7

7y/7=-21/7

y=-3

Substitute y=-3 in 5y+3x=6

5(-3)+3x=6

-15+3x=6

3x=6+15

3x=21

Divide both sides by 3

3x/3=21/3

x=7

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