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Marta_Voda [28]
2 years ago
7

Solve by substitution

Mathematics
1 answer:
Hunter-Best [27]2 years ago
7 0

Answer:

A

Step-by-step explanation:

y = -9 ------(1)

9x -4y = -9 -------(2)

substitute (1) into (2)

9x - 4 (-9) = -9

9x = - 45

x = -5

there you go, x = -5 and y = -9

so. (-5 , -9 )

hope this helps

please mark it brainliest

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