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Use substitution or elimination method to solve: y = x - 3x + 16 y = 9x - 20

Use substitution or elimination method to solve: y = x - 3x + 16 y = 9x - 20
98.6k views
5 votes
Use substitution or elimination method to solve:
y = x - 3x + 16
y = 9x - 20

User Zongweil
by
8.9k points

2 Answers

2 votes
9x-20=x-3x+16
9x-20=-2x+16
11x=36
User Aryan Twanju
by
8.5k points
2 votes

Answer:

( 36/11 , 104/11 )

Explanation:

x=36/11

y=104/11

User Theodor
by
8.2k points
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