March 2022 0 4 Report
Решить систему уравнений.
{4x-3y=-1
{10x-4y=1
Посмотреть ответы Evelink Evelink 4x-3y=-1 |*5
10x-4y=1 |*2

20x-15y=-5
20x-8y=2

20x=-5+15y
20x-8y=2 -> -5+15y-8y=2 -> 7y=7 -> y=1

20x=-5+15 -> x=1/2


naste4ka0812 naste4ka0812 X=3y-1/4
10x-4y=1

x=3y/4
10*(3y-1/4)-4y=1  *4

10*(3y-1)-16y=4; 30y-10-16y=4; 14y=14; y=1

x=3-1/4; x=1/2


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.