Emma2947292 Emma2947292

04-02-2021
Mathematics

contestada

Use substitution to solve the system.
-5x + 3y = 19
x = 3y - 11

Respuesta :

Anisatunizzati Anisatunizzati

05-02-2021

Answer:

x = -2

y = 3

Step-by-step explanation:

-5x + 3y = 19

x = 3y - 11

-5x + 3y = 19

-5(3y - 11) + 3y = 19

-15y + 55 + 3y = 19

-15y + 3y + 55 = 19

-12y + 55 = 19

-12y = 19 - 55

-12y = -36

y = -36/-12

y = 3

x = 3y - 11

x = 3(3) - 11

x = 9 - 11

x = -2

Answer Link

Otras preguntas

the 4. Write short notes on: a) Vedic Age b) Chalcolithic Culture c) Inamgaon (d)) Rigveda

Medicare is a welfare program, and eligibility is determined based on income level.a) Trueb) False

how do you solve a volume of a cylinder in terms of pi?

Clozapine (Clozaril) and Chlorpromazine for negative and positive symptoms of Schizophrenia - what should be done for side effects? a) Discontinue medication im

Only the patient can waive the right to confidentiality? A. True B. False

What is the expression of 27

A mother spent the following amounts of money for ingredients for a family meal: Tomatoes Rice Oil Meat Vegetables №30 №90 #75 #300 N45 Represent the cost of th

According to CA law, who are forbidden from using a cellular phone including hands-free devices while driving? 1) Only teenagers 2) Only adults 3) Both teenager

Angel is trying to save up to buy a new iPhone. He currently has 10$ in his piggy bank. He decides to mow lawns to make money for his new phone He makes $30 per

find the gradient of the curve with the equation: y=3x^2 at the point (2,12)