anajma13419 anajma13419

09-07-2020
Mathematics

contestada

Consider the linear system of equations. y = –x + 9 y = 0.5x – 6 If the solution is (a,–1), what is a? a =

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princessesther2011 princessesther2011

09-07-2020

Answer:

a = 10

Step-by-step explanation:

From the solution given, x = a and y = -1

Substitute for x and y in either of the equations

y = -x + 9

-1 = -a + 9

a = 9 + 1 = 10

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Redeye170 Redeye170

23-11-2020

Answer:

Answer is 10

Step-by-step explanation:

Since the graphe cross only at one point there is only one solution for the equation.

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