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

The ratio of the number of apples to the number of pears in a basket was 3:5. After 7more apples were added to the basket and 9 pears were removed ,there were a

At what angle should you hold utensils while feeding patients at mealtime

How did the Magna Carta change the balance of power in medieval England? A) it gave the English nobles more authority than the king B) it undermined the power o

To the nearest tenth, find the perimeter of ∆ABC with vertices A(-1,4), B(-2,1) and C(2,1). Show your work.

PLEASE HELP! Explain your answer, idk what im doing.

Use the following post-World War II poster published by the European Recovery Program (ERP) to answer the question below: This is a color propaganda poster sup

A bucket is being filled at a rate of 5/6 gallon in 1/4 minute. What is the unit rate in gallons per minute?

Plz help! Write answer to questions!

Why does Carnegie believe many in the US are interested in conquering the Philippines?

Mary purchase 9 1/2 pints of ice cream for her celebration. If each guest will be served 3/5 pints of ice cream what is the greatest number of ice cream they wi