gabrielacastro2207 gabrielacastro2207
  • 25-11-2020
  • Mathematics
contestada

3x + 2 y = 8
5x + 2 y = 12
What is the solution of the system of equations shown above?

Respuesta :

sonixsensation
sonixsensation sonixsensation
  • 25-11-2020

Answer:

x = -3

Step-by-step explanation:

First solve it:

Subtract the x's from both sides

2y = -3x +8

2y = -5x +2

Divide by two

y= -1.5x + 4

y = -2.5x +1

set them equal to each other:

-1.5x +4 = -2.5x +1

Add 2.5 x to both sides

1x +4 = 1

x +4 = 1

subtract 4 from both sides

x = -3

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