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

does magma contain only three elements

What is the completely factored form of 4x^3+10x^2-6x?

Why did earlier historians consider the medieval period the "dark ages"? A. he time had no electricity and so it was an age that was quite dark. B. he era see

A base has ________ hydrogen ions than an acid. more the same number of less none of the above

Which goal was shared by both the populists and the progressives?

In which decade did the first airplane ride with passengers occur?

Choose the correct method to factor the following completely. rx − sx + r − s

What was a common desire by the lower and middle classes in middle and south america? a. land reform b. food reform c. social reform d. religious reform

José __________ (entregar) la tarea.

What is the completely factored form of 3x^2-12x-15