smhnjrs2020 smhnjrs2020

03-02-2022
Mathematics

contestada

Use the Echelon Method: Solve x + 3y = 1
2x - 5y = 13

Respuesta :

reynawolfie reynawolfie

08-02-2022

Answer:

x= 4, y= -1

Step-by-step explanation:

-2(x +3y= 1)

-2x-6y=-2

2x -5y= 13

-11y= 11

y= -1

2x -5(-1)= 13

2x +5= 13

2x= 8

x= 4

Answer Link

Otras preguntas

Tomas and Saturn are partners who share income in the ratio of 3:1. Their capital balances are Br. 40,000 and Br. 60,000 respectively. Income Summary has a c

29=6x-8 What is the value of x

find the diameter of a circle whose circumference is: 1.) 110m

7.1×10^25 atom of lithium calculate the number of moles .

work out the value of a and b in these equivalent ratios A:6:7 and 8:24:B

13. Geetha earns 12000 a month, out of which she saves 3000. Find the ratio of her (1) (ii) Savings to her income Expenditure to savings Expenditure to her inco

f(x)=2x-8 g(x)=x^(2) Find a value of x such that fg(x)=0.

Harper's parents put $75 into her school lunch money account. Each meal she gets from school costs her $3.25. The school sends Harper's parent's an email when t

WILL GIVE BRAINLIEST!! Find the measure of side WU.

What are the coordinates of V′ in the image of ΔTUV under a dilation centered at the origin with scale factor 5 followed by a translation 3 units right and 2 un