saints182005 saints182005

16-12-2019
Mathematics

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What is the x-coordinate in the solution of the system of equations
y=-2/3x and 4x - 9y=-40?

Respuesta :

Yang100 Yang100

16-12-2019

Answer:

x=-4, y=8/3. (-4, 8/3).

Step-by-step explanation:

4x-9(-2/3x)=-40

4x+18/3x=-40

4x+6x=-40

10x=-40

x=-40/10

x=-4

y=-2/3(-4)

y=8/3

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