adziam21 adziam21

06-10-2016
Mathematics

contestada

Solve the system of equations -2x+y=5 x-3y=-30

Respuesta :

jacquiblanco99 jacquiblanco99

06-10-2016

-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60

-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5
-2x=-6 so x=3

y=11 and x=3

Answer Link

Otras preguntas

The 'level of product' that is associated with the product’s brand name, features, style, inherent quality and reliability, and functionality is called the: Gro

What does your circulatory system have in common with your nervous system? Question 23 options: They both deliver blood to vital organs. They both control food

A box is pushed to the right with a force of 5N and at the same time it is pushed with a force of 3.6 N to the left. If the box has a mass of 8kg, what is the a

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which on

According to the research on crime patterns in concentric zones, as the composition of the population in the zone of transition changes (e.g., because of variou

A 1.85 kg frictionless block is attached to an ideal spring with force constant 325 N/m . Initially the spring is neither stretched nor compressed, but the bloc

8 piglets are evenly sharing 5 liters of milk. How many liters of milk should each piglet get?

The expected return on Natter Corporation's stock is 14%. The stock's dividend is expected to grow at a constant rate of 8%, and it currently sells for $50 a sh

Costs in beginning work in process inventory was $4,500 and $37,800 in costs were added during the period inder the weighed average method if there are 7,050 eq

According to the definition of hazing, as published by the National Federation of State High School Associations (NFHS), "new members required to attend a team