bandrachick22 bandrachick22

03-06-2021
Mathematics

contestada

2y+ 3x = 87 and y=6x+21

Respuesta :

goddessboi goddessboi

03-06-2021

Answer:

x=3 and y=39

Step-by-step explanation:

2y + 3x = 87

y = 6x + 21

2(6x+21) + 3x = 87

12x + 42 + 3x = 87

15x + 42 = 87

15x = 45

x = 3

y = 6(3) + 21

y = 18 + 21

y = 39

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