emmoyer13
emmoyer13
29-01-2020
Mathematics
contestada
Solve -2x+9y=11
-5x+2y=-34
Respuesta :
ab68
ab68
29-01-2020
Answer: (8,4)
Explanation:
First start by isolating the x in -2x+9y=11 to get x=4.5y-5.5.
Substitute the x in -5x+2y=-34 for 4.5y-5.5.
Solve for y, get 3.
Substitute the y in -2x+9y=11 for 3, solve for x and get 8.
(8,3)
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