30-10-2016
Mathematics

contestada

Y=4x. 3x-y=1 how to get the y value

Respuesta :

PhantomRealm PhantomRealm

30-10-2016

since y=4x
substitute 4x into the second equation
3x-4x=1
-x=1
x=-1
if x=-1, substitute x=-1 in the equ 1
y=4x
y=4(-1)
y=-4

Answer Link

Otras preguntas

solution - 12. The digit in the tens place of a two-digit number is three times that in the units place. If the digits are reversed, the new number will be 36 l

Jane wants to test if strawberries that are kept cold will rot or stay edible. She places a strawberry in the refrigerator and records the date. What variable s

Which of the following graph is used for determining the instantaneous velocity from the slope? A. distance-time graph B. x - t graph C. both of these D. none o

The solution for 7x + 4 = x – 2

How is the national budget like a personal budget? How is it different?

64 of 80Express as percentage

Carl starts to use the standard algorithm to solve 2,375 × 6. His work is shown below. What number should Carl replace y with?

The products of cellular respiration are

Rashid said he can find 52 × 10 by adding a 0 to the end of 52 to get 520. Rashid finds 42.95 × 10 using the same method and gets 42.950.

rewrite the following linear equations in general formcan someone help explain how to do this?