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Solve the system of equations by substitution. Write your solution as an ordered pair

x+y=81
y=8x

User Vvnraman
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2 Answers

4 votes

Answer:

Explanation:

Frt

User AmazingDayToday
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x + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)
User DARKpRINCE
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