Talos02 Talos02

13-01-2017
Mathematics

contestada

Solve the system using substitution. Show all work. (3 points)
y=-2x+6
3y-x+3=0

Respuesta :

13-01-2017

3(-2x + 6) - x + 3 = 0
-6x + 18 - x + 3 = 0
-7x + 18 + 3 = 0
-7x +21 = 0
-7x = -21
-7x/-7 = -21/-7
x = 3
y = -2(3) + 6
y = -6 + 6
y = 0
x= 3 y = 0

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