kani51
kani51 kani51
  • 04-03-2020
  • Mathematics
contestada

Use substitution to solve the system

2y - 8 = x

2x + 3y = -2

Respuesta :

dannielle
dannielle dannielle
  • 04-03-2020

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

    x=4-8

    x=-4

the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

Answer Link

Otras preguntas

Laws are created to solve problems. What problems is this law resolving/ addressing
Your are designing a rectangular birthday card for a friend. You want the card's length to be 1 inch more than twice the card's width. The area of the card is 8
How do I make a painting that reflects the influence of pop art?
As a unit price, a half-dozen for $6.00 is a. $36.00 each b. $6.00 each c. $0.50 each d. $1.00 each
What is 0.000345 expressed in scientific notation? 3.45 × 102 3.45 × 104 3.45 × 10–2 3.45 × 10–4
Shays' Rebellion demonstrated the weaknesses of the Articles of Confederation. Select one: O True False
Choose the correct answer. _______ is like a simile but the comparison is direct. Hyperbole Metaphor Oxymoron Euphemism
What described step three of a muscle contraction
Choose the single logarithmic expression that is equivalent to the one shown. log6 25 − log6 5
Help answer the questions!!