Chunkypants7813 Chunkypants7813
  • 16-07-2017
  • Mathematics
contestada

22. Solve the system
X+6y=2
5x+4y=36
A) (2, -1)
B) (-8, -1)
C) (0, -8)
D) (8, -1)

Respuesta :

cher
cher cher
  • 16-07-2017
Equation 1)  x + 6y = 2
Equation 2)  5x + 4y = 36

Multiply all of equation 1 by 5.

1)  5(x + 6y = 2)

Simplify.

1)  5x + 30y = 10
2)  5x + 4y = 36

Subtract equations from one another.

26y = -26

Divide both sides by 26.

y = -1

Plug in -1 for y in the first equation.

x + 6y = 2

x + 6(-1) = 2

Simplify.

x - 6 = 2

Add 6 to both sides.

x = 8

D : (8, -1)

~Hope I helped!~
Answer Link

Otras preguntas

what prefix means deficiency
Use what you learned about Earth's movement in space to complete the sentences using the drop-down menus. The Sun appears to move in the sky because m, which ca
Which statement describes competition in an environment
PLEASE PLEASE PLEASE HELP!!! I HAVE ASKED THIS QUESTION 3 TIMES!!! CAN YOU PLEASE HELP ME? The following data show the scores of some students in a competition
Question : 1/9X ⅝ + (½)³=
Explain Missouri Compromise
What was the most important reason the Romans built roads
what is the pressure in a 245 L tank that contains 5.21 kg of helium at 27 Celsius ​
Hoy por fin he conocido a los estudiantes de intercambio venezolanos. Se llaman Paola, Tomás, y Lucy. Paola es (tall). (brunette), y (thin). Tomás es mediano, (
What is the value of the 5th number in 124.519. Write the answer as a fraction