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

What is 23/9+17/9 adding fractions
Where do you lie on the political compass? A) Authoritarian Right B) Authoritarian Left C) Libertarian Right D) Libertarian Left
15. Marcos, pon la mesa. 1.no la pon 2.no la pones 3.no la pongas 4.no la pone
Explain the placement of letter parts in each letter style: modified-block style, full-block style, and simplified style Which gas makes up the majority of Eart
Why were people near the Yellow River able to grow enough food to support a civilization?
Which sentence in this conclusion paragraph most clearly reminds the reader of the main points? (1) Therefore, Sophocles uses both Antigone and Creon to show ho
1. Which expression is equivalent to 5(3x + 1)(x − 2)(x – 3)?
What effect did the Compromise of 1877 have on Reconstruction in the south?
Help me pllllllllllease! I have only got 2 minutes! When I divide an integer by 15, the remainder is an integer from 0 to 14. When divide an integer by 27, the
You want to know the number of games you can play at the carnival with $45. It costs $10 to get into the carnival and $7 for one game. Write and solve an equati