dtalya339 dtalya339

13-04-2021
Mathematics

contestada

Solve the following system of equations by elimination: 2x + y = -1 3x - y = -9

Respuesta :

bellaxysun bellaxysun

13-04-2021

Answer:

x = -2, y = 3

Step-by-step explanation:

2x + y = -1

3x - y = -9

2x + y + 3x - y = -1-9

5x = -10

x = -2

2(-2) + y =-1

-4 + y = -1

y = 3

Answer Link

Otras preguntas

What is less than 3.59 but greater than 3.572 fill in the blank 3.5 blank 1

HELP MATH QUESTION GEOMETRY

use a common denominator to find-2/3 + -4/5

A local zoo wants to keep track of how many pounds of food each of its three monkeys eats each day during a typical week. Write a program that stores this infor

Triphenylmethanol can also be prepared by reacting ethyl benzoate with phenylmagnesium bromide, and by reacting diethylcarbonate with phenylmagnesium bromide. W

Solve systems by using substitution Y=x+6 Y=2x

Which one of the following statements best describes the difference between a habit and an addiction? An addiction is a habit that a person does not want to bre

Please help and I will give Brainliest!!!!!!!!! The right arrow symbol used to show the transition from a point to its image after a transformation is not conta

Read the poem “Birmingham Sunday” by Richard Fariña and complete the instruction that follows. HELP QUICK!! Come round by my side and I’ll sing you a song. I’l

PLEASE HELPPP How many four-digit numbers can you form from the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 (a) if you use each digit only once? \ I know the answer