Aishashaza4 Aishashaza4
  • 22-12-2020
  • Mathematics
contestada

Solve this system of equations:

5x + y = 7
20x + 2 = y

Respuesta :

Boring5575
Boring5575 Boring5575
  • 22-12-2020

Answer:

x = 1/5, y = 6

Step-by-step explanation:

5x + y = 7

y = 7 - 5x

Set equations equal to each other to eliminate y

7 - 5x = 20x + 2

7 = 25x + 2

5 = 25x

x = 1/5

y = 7 - 5(1/5)

y = 7 - 1

y = 6

Answer Link

Otras preguntas

regrine falcons frequently grab prey birds from the air. Sometimes they strike at high enough speeds that the force of the impact disables prey birds. A 480 g p
Patrick's parents are both high school dropouts. His mother has been unemployed for the last two years, and his father has been working on and off for the last
Suppose that v1(t)=100cos(ωt)and v2(t)=100sin(ωt). Use phasors to reduce the sum vs(t)=v1(t)+v2(t) to a single term of the form Vmcos(ωt+θ). Enter your answers
Prove that using: X ∩ (Y ∪ Z ) =(X∩Y) ∪ (Y ∩ Z ) Listing Method; or Membership Table. Given U = {1, 2, 3, 4, 5, 6, 7, 8, 9} X = {2, 5, 8, 9} Y = {1,
Who is counted as unemployed
4. How do you know a source is telling the truth?
I need help I have no clue what I'm doing!
Point P' is the translation of P (5, -5) under a translation of 2 units to the left and 5 units up. What are the coordinates of P'?(Graph up top)(A.) (7, 0)(B.
If you do not know if something is true, how do you check?
What are 'stand your ground laws?