george2006 george2006
  • 11-12-2019
  • Mathematics
contestada

What is the substitution equation for 7x-2y=35 and x-4y=5

Respuesta :

ayeshanazir195 ayeshanazir195
  • 12-12-2019

Answer:

y=0 and x=5

Step-by-step explanation:

multiplying equation 2 by 7 and subtracting it from equation 1 we get

7x-2y=35 - 7x-28y=35

26y=0

y= 0/26

y = 0

putting value of y in equation 1

7x -2(0) = 35

7x - 0 = 35

7x = 35

x = 35/7

x = 5

Answer Link

Otras preguntas

John spends time writing down topic ideas for his research project. Which step of the writing process is he actively involved in? A. Editing B. Researching C
whats equivalent to 2/3
which statement best describes a result of industrialization in the United States during the mid-nineteenth century?
Structure that carries messages between the brain and other parts of the body
The turning point in Greek history was the _____. A. Persian Wars B. Hellenistic Period C. Peloponnesian Wars D. Alexander Period
Which equation is represented by the table? x y (x, y) 0 3 (0, 3) 1 4 (1, 4) 2 5 (2, 5) A. y = 5x +3 B. y = 3x – 5 C. y = x + 3 D. y = 2x + 2
what role did Stephen F. Austin play in the settlement of texas?
what is 20p-2p+4p=20p-6p
The motto "trust thyself" is based on which transcendentalist belief? One can ultimately rely on oneself to know what is right. Individuality is better than com
Judges who try to change society’s behavior ____. a. practice judicial activism b. agree in their judgments c. publish their judicial opinions d. practice judic