tarinmaxine tarinmaxine

22-10-2019
Mathematics

contestada

y=-2x - 6
y = x +9
Solve each system of equations using substitution or elimination.

Respuesta :

Mirandawolfaj Mirandawolfaj

22-10-2019

Answer:

x=-7/2, y=1

Step-by-step explanation:

y=-2x-6

y=x+9

I'm going to use elimination.

2y=2x+9

y=-2x-6

3y=3

y=1

Enter y into one of the equations to find x.

2=2x+9

2x=-9+2

2x=-7

x=-7/2

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