max0114 max0114

26-02-2021
Mathematics

contestada

Solve the System by substitution

y=9x
y=3x+12

Respuesta :

EchoSage EchoSage

26-02-2021

Answer:

(2, 18) or x = 2 and y = 18

Step-by-step explanation:

From substitution:

9x = 3x + 12

6x = 12

x = 2

y = 9x = 9 * 2 = 18

Answer Link

Aisha156 Aisha156

26-02-2021

9x=3x+12
9x-3x=12
6x=12
x=12/6
x=2

y=9x
=9*2
=18

Answer Link

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