is456789 is456789

01-03-2017
Mathematics

contestada

y+3=x
3x+4y=16

Find the solution using the substitution method.

Respuesta :

01-03-2017

to the beginning,we know y+3=x
then,substitute x into y
=>3(y+3)+4y=16
then,to solve y
7y=16-9
y=1
so,x=y+3=4

Answer Link

Otras preguntas

Im writing an essay and i need an honest opinion on the prompt please I will lgive a brainly and 20 points please asap. tell me if you think its ok to test on a

Can I get some help on 18,20,&22? Or one of them please

Help please with these: 18/36 = 1/? missing number Change 1 5/8 to improper fraction. Change 19/5 to a mixed number.

Write 17/20 as a decimal and as a percent.

What makes this speech a primary source? O A. The words are spoken by the president himself. O B. It uses narrative to keep the reader's attention. O C. It was

what is the fifth term of (2x-2)^7

Julia is going for a walk through the neighborhood. What unit of measure is most appropriate to describe the distance she walks?

Trevor and marissa together have 26 t-shirts to sell. If marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. Identify the if-than moves i

I honestly don’t understand this at all

A college is planning to construct a rectangular parking lot on land bordered on one side by a highway. The plan is to use 680 feet of fencing to fence off th