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Tasya [4]
3 years ago
7

Solve the System by substitution y=9x y=3x+12

Mathematics
2 answers:
jarptica [38.1K]3 years ago
3 0

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

IrinaK [193]3 years ago
3 0
9x=3x+12
9x-3x=12
6x=12
x=12/6
x=2

y=9x
=9*2
=18
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