01-02-2017
Mathematics

contestada

What's 4x+2y=10

X-y=13

Respuesta :

mohsan573 mohsan573

01-02-2017

X=y+13 then put in above

4(y+13)+2y=10
4y+52+2y=10

6y=-42

divide by 6
y=-7

Now put in X=y+13
x=-7+13
x=6

Answer Link

Otras preguntas

The perimeter of a rectangle is 180 meters. If the length of the rectangle is 20 meters more than the width, what are the dimensions of the rectangle

a Find all the missing elements: B A = 50° C = 35° А с b = 13 b B = [?]° a = [] c=[ ] a = C

Is the genome of stem cells larger than that of specialized cells?.

What is the density of a container with a mass of 4810 g and volume of 355 mL?

Which of these examples show reasoning based on fact, not assumptions?

A population of mice contains 20 animals with white tails and 30 animals with grey tails. Grey tails are the dominant trait.

What was a demographic transition?

What are the different functions of the parts of a microscope?.

Evaluate. 1. for x=-3 and y=2 ------------- -2 -3 5 2^ x^ y^

A city bus company charges $2.50 per trip. They also offer a monthly pass for $85.00. Write and solve an inequality to find how many times a person should use t