paschalsylvia579 paschalsylvia579

01-04-2021
Mathematics

contestada

Solve the following system of equations using the elimination method. 2x+4y=10;-2+y=-15

Respuesta :

Yang100 Yang100

03-04-2021

Answer:

x=7, y=-1. (7, -1).

Step-by-step explanation:

2x+4y=10

-2x+y=-15

-----------------

5y=-5

y=-5/5

y=-1

2x+4(-1)=10

2x-4=10

2x=10+4

2x=14

x=14/2

x=7

Answer Link

Otras preguntas

What was the goal of the 18th amendment

Ideally an entity identifier is composed of _____ attribute(s).

In your class, there are 15 students with brown hair, 3 students with blonde hair, and 5 students with black hair. What is the ratio of students with brown hair

A teacher describes a mathematical system that can be used to convert the weight of water to the mass of water. What is the teacher most likely describing?

Are sperm protected from drying out in ferns? what are the consequences of this

A football player can run 20 yards in 3.4 seconds. which equation could be used to find y, the number of yards the football player can run in a second?

What is the slope between the two points (1,4) and (-2, 3)? A.[tex] \frac{1}{3} [/tex] B.[tex] \frac{3}{5 } [/tex] C.3

Write an equation to find the number. Solve. Nine times a number subtracted from 6times the number is equal to-21.

Who knows the secret of life??

I need this to be answered