JorgieX1099 JorgieX1099

13-05-2018
Mathematics

contestada

Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x - y = 103x - 2y = 8

Respuesta :

13-05-2018

[tex]2x-y=10\Rightarrow 2x-10=y \\ \Longrightarrow 3x-2y=8\Rightarrow 3x-2(2x-10)=8 \\ 3x-4x+20=8 \\ -x=8-20=-12 \\ x=12 \\ \\ y=2(12)-10=24-10 \\ y=14 \\ \\ (x,y)=(12,14)[/tex]

Answer Link

Otras preguntas

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 1

Which words in this sentence are common nouns? In the fall of 1621, the Pilgrims celebrated their first harvest with a feast. Choose all answers that are corr

The use of iron for tools and weapons developed later than the use of copper because iron __________.

-2(x+1)-3=-9 Yup I need help...

Write two equivalent fraction 2/5

What are the next two numbers in this sequence?1, 11, 21, 1211, 111221, ??, ??

solve 1)3x-7=35? 2)22=7-3a 3)-d+7=3 4)2x+23=49 5)-c+2=5

What are the number 2,3,5,7,11,13,17,19, and 23

In a representative government,: ____________________. the people choose their representatives the representatives speak for the people the representatives make

Flowers of orchid species Ophrys bombyliflora look and smell like female bumblebees. This attracts the male bumblebees flying nearby to the flowers. Thus, polle