Gudg7ovniya3hcamp
Gudg7ovniya3hcamp Gudg7ovniya3hcamp
  • 23-07-2016
  • Mathematics
contestada

solve the following system of equations by linear combination: 5x 2y = 14 y = x – 7

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 23-07-2016
I would use subsitution
y=x-7
sub x-7 for every x
5x+2(x-7)=14
5x+2x-14=14
add 14 to both sides
7x=28
divide both sides by 7
x=4
sub
y=x-7
y=4-7
y=-3

x=4
y=-3
(4,-3)
Answer Link
keitaronagame2219
keitaronagame2219 keitaronagame2219
  • 23-05-2022

Answer:

(–3, 4)

Step-by-step explanation:

-3= 4 - 7

4-7 =-3

Answer Link

Otras preguntas

Write the number 2.738 correct to 2 decimal places.
nancy, an employee at downtown dry cleaning, budgets 1/4 of her yearly salary for clothing. Nancy's total clothing bill for the year is $7,960. what is her year
A number is 6 units away from -3 on the number line. Which of the following could the number be? Select all that apply. -9 -8 3 2 Thank you for those who help I
2x + 3y = 6 x + 2y = 5
the expanded form of this number. 26,779
Explain the relationship between heredity and genetics.
Cancer is caused by uncontrolled cell division. Genes control the timing of cell division. If a virus infects a cell and inserts DNA in the middle of a gene con
Find the measure of angle A
the circumference of a circle is 9piem what is the area
If a ladder is 5.5 m long and it is placed 3 m from the wall, solve and show the work when you use the Pythagorean Theorem to find how far up the wall the ladde