roxequartz
26.02.2021 •
Mathematics
Solve the System by substitution
y=9x
y=3x+12
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Ответ:
(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
Ответ:
9x-3x=12
6x=12
x=12/6
x=2
y=9x
=9*2
=18
Ответ:
Step-by-step explanation:
c.d. d=8-3=5