chelsea17143 chelsea17143

10-02-2021
Mathematics

contestada

Help please due tonight

Solve the system of equations using elimination: 2x + 3y = -1 and -2x + 4y = 8

Respuesta :

10-02-2021

(1) 2x + 3y = -1
(2) -2x + 4y = 8
(1) x 4 8x + 12y = -4
(2) x 3 -6x + 12y = 24
(2) - (1) -14x = 28
X = 28/-14 = -2
(Sub x into (1)) 2(-2) + 3y = -1
-4 + 3y = -1
3y = 3
Y = 1

Answer Link

Otras preguntas

Jay bought a guitar on sale at 45% off. The original price was $576.75. (a) Find the amount of discount. (Round your answer to the nearest cent.) $ (b) Find th

Solve for x (3x-15) & (2x+7)

Help please I don’t understand it

Simplify the expression by combining like terms. Write the terms from the highest to the lowest power of the variable.

There are 7 questions and 7 answers

23. According to the chromosome theory of inheritance, A the traits of an individual organism are a blend of its parents' characteristics. B the traits of an in

Christopher sold his dinette set for $245 through an online site, which charged him 9% of the selling price as commission. How much was the commission?

Amanda has 227 worth of bills in her purse. she has 6 more $5 dollar bills than $10 bills. The number of $1 bills is three fewer than 25 times the number of $10

Down syndrome in humans is due to ________ of the 21 st chromosome.

help please A. B. C. D.