crisfusecrawalla crisfusecrawalla

02-03-2017
Mathematics

contestada

X - Y = 11
2x + Y = 19

where do the lines cross

Respuesta :

wolf1728 wolf1728

02-03-2017

Just solve the equations:
A) X - Y = 11
B) 2x + Y = 19
Multiply A) by -2

A) -2X +2Y = -22 then add to B)
B) 2x + Y = 19
3Y = -3
Y=-1

A) X - -1 = 11
x = 10

Answer Link

Otras preguntas

( i only need number one and number 7 ) someone please i’m desperate i have so much work i need done by monday even if you only do one of them it is greatly app

What is 4.5 repeating as a fraction?

Choose ALL correct answers (1, -3) (4, 1) (6, 3) (2, -2)

How many solutions does the following equation have? -14(z-5) = -14z +70 Choose 1 answer: A. No solutions B. Exactly one solution C. Infinitely many solutions

In how many ways can a committee of five Democrats and four Republicans be formed from a group of twelve Democrats and twelve Republicans?

Angle ABC is taken by a dilation with centerpoint, P and scale factor of four to angle A’B’C’ the measure of angle, BCA is 75° what is the measure of angle B’C’

The cells ____ and shrivel up

( i only need number one and number 7 ) someone please i’m desperate i have so much work i need done by monday even if you only do one of them it is greatly app

Crates of masses 1 kg , 4 kg , and 6 kg are placed in a line on a frictionless table. They remain in contact as they are pushed by a 60 N force applied to the 1

The cells ____ and shrivel up