sam1089 sam1089
  • 20-01-2021
  • Mathematics
contestada

Solve.
X = -7
4x - 4y = 12
(x,y)

Respuesta :

atso
atso atso
  • 20-01-2021

Answer:

(-7, -10)

[tex]x=-7\\y=-10[/tex]

Step-by-step explanation:

[tex]4x-4y=12[/tex]

Substitute x for -7.

[tex]4(-7)-4y=12[/tex]

Multiply 4 by -7.

[tex]-28-4y=12[/tex]

Add 28 on both sides.

[tex]-4y=40[/tex]

Divide -4 on both sides.

[tex]y=-10[/tex]

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