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Solve the system of equations and choose the correct ordered pair.  9x - 2y = 73 5x - 9y = 9

Solve the system of equations and choose the correct ordered pair.  9x - 2y = 73 5x - 9y = 9
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5 votes
Solve the system of equations and choose the correct ordered pair. 

9x - 2y = 73
5x - 9y = 9

Solve the system of equations and choose the correct ordered pair.  9x - 2y = 73 5x-example-1
User Crazygringo
by
9.1k points

2 Answers

4 votes
A) 9x - 2y = 73
B) 5x - 9y = 9
Multiply equation A by -5/9
A) -5x +1.1111111111 y = -40.5555555556 then add it to B
B) 5x - 9y = 9
-7.888888888 y = -31.555555555
y = 4


B) 5x - 9*4 = 9

B) 5x -36 = 9
B) 5x = 45
x = 9

User Fhl
by
9.0k points
1 vote
The answer is A (9,4)
User Pan Ziyue
by
7.7k points
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