echosamechosam22 echosamechosam22

04-12-2020
Mathematics

contestada

Solve the system by substitution

x=y

6x-3y=30

Respuesta :

melissa5shen melissa5shen

06-12-2020

Answer: (x, y) = (10, 10)

Since x = y, replacing y with x in 6x - 3y = 30 we have 6x - 3x = 3x = 30, so x = 30/3 = 10. Then y = x = 10, so the solution is (10, 10).

i hope this helps! :D

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