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snow_tiger [21]
3 years ago
5

Solve the equations -9x + 2y = 23 and -4x - y = -3

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0

Answer:

(-1,7)

Step-by-step explanation:

-9x + 2y = 23

-4x - y = -3

multiplying equation 2 by 2

-9x + 2y = 23

-8x - 2y = -6

adding the two equation to cancel out y

-17x = 17

x = -1

plugging back x = -1 into the second equation

4 - y = -3

-y = -7

y = 7

Talja [164]3 years ago
3 0

Answer:

y=7

x= -1

Step-by-step explanation:

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