shelby85387 shelby85387

04-02-2021
Mathematics

contestada

y=-2x+1
4x+y=9
solve using the substitution method please show steps

Respuesta :

Anisatunizzati Anisatunizzati

05-02-2021

Answer:

x = 4

y = -7

Step-by-step explanation:

y = -2x + 1

4x + y = 9

4x + y = 9

4x + (-2x + 1) = 9

4x - 2x + 1 = 9

2x + 1 = 9

2x = 9 - 1

2x = 8

x = 8/2

x = 4

4x + y = 9

4(4) + y = 9

16 + y = 9

y = 9 - 16

y = -7

Answer Link

Otras preguntas

When was the battle of Hastings?

List two factors that might cause an organism to restrict its use of a resource.

whats Henry Hudson interesting facts?

find the difference: 7 7/8 - 3 1/4

Genetic crosses Question:A brown coat is dominant to a white coat in cattle. A farmer has a brown bull. How would you determine whether the bull is a heteroz

how to write an equation and solve it for the followingOne fifth of the employees of Delta Industries, Inc., work in the Sotheastern region. If the company empl

Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.

What is the solution to this system of linear equations: y-x=4 and y+2x=1 1) (-1,3) 2) (0,4) 3) (1,-1) 4) (-3,3)

a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece

what are two human uses for mosses?