igotmyhaters56p7prkn igotmyhaters56p7prkn

25-04-2018
Mathematics

contestada

what is the first step in solving, 3x - 12y=5 3y -x=9, using the elimination method

Respuesta :

25-04-2018

3x-12y = 5
-x+3y = 9

First step is to make the coefficient of either x or y same.

3x-12y = 5
(-x+3y = 9)3

3x-12y = 5
-3x+9y = 27

-4y = 32
y = -8

Answer Link

Otras preguntas

Help me with this please ❤️❤️

Evaluate 14.8 - 0.72

Question 12 What is the length of a segment with endpoints at (-3, 4) and (4, 4)?

A company with excess capacity must decide between scrapping or reworking units that do not pass inspection. The company has 19,000 defective units that cost $5

Looking to the past and incorrectly believing you can predict the future based on past knowledge or understanding is the definition of:

This question relates to concepts covered in Lectures 1 & 2. You can use any of the excel files posted to work through the question. Demand at a store can b

3. The time it takes for the number of leaves to increase from 15 to 30 is approximately ___ days (1) 2.0 days (2) 2.3 days (3) 2.9 days (4) 3.2

Write equivalent fractions for online and 9 using the least common denominator. Type the fractions, using a slash ( /) to separate the numerator and denominato

is 11/24 an repeating number or an terminate?

A car producer stocks three types of tires: A, B, and C. Let P(A) = 0.40, P(B) = 0.15 and P(C) = 0.45. The percentage of defective tires is 2%, 1% and 5%, respe