lilalovemiett lilalovemiett

21-01-2021
Mathematics

contestada

Solve using elimination.

8x + 7y = 9
8x + 10y = –18

please help i am in desperate need of math help

Respuesta :

krishadiya krishadiya

21-01-2021

8x + 7y = 9
8x + 10y = -18
Subtract.
-3y = 27
Divide.
y = -9
Plug y (-9) back in:
8x - 63 = 9
Solve.
8x = 72
Divide.
x = 9

Answer: (9, -9)
:)

Answer Link

rosewarrior0 rosewarrior0

21-01-2021

Answer:

x=9, y=-9

Step-by-step explanation:

pic attached with step by steps

Ver imagen rosewarrior0

Ver imagen rosewarrior0

Answer Link

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