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

A regular trial jury at the state level is called a:

Write a mathematical expression for 3 times a number n:

this two different two different ways to find the value of the expression 5.4 * 117 * 100 that do not require you to First multiply 5.4 X 1.17.

Adding energy or increasing the speed of the particles at very low pressure in a solid would cause A) boiling. B) condensation. C) melting. Eliminate D) subl

How many joules of energy are necessary to heat a sample of water with a mass of 46.0 grams from 0.0 Celsius to 100.0 Celsius? (Use 4.184 J/g Celsius for the sp

__ Point M is the midpoint of AB. AM=3x+3, and AB=8x−6. ___ What is the length of

Does the community property of addition apply want to add to negative integers

According to the Food Code, proper food labels should NOT contain:

Glands that have lost contact with a body surface are called ____________ , and secrete their products into capillary rich interstitial spaces for quick distri

four-fifths of n plus the product of three and x