mackinziegibson mackinziegibson

01-02-2018
Mathematics

contestada

Solve the system of equations using the substitution method. 2x+8y=4 x=−3y+5

Respuesta :

Kaikerscupcake Kaikerscupcake

01-02-2018

Since x=-3y+5, substitute x for -3y+5.

2(-3y+5)+8y=4

Distribute.

-6y+10+8y= 4

2y+10= 4

Subtract 10 on both sides.

2y=-6

Divide by 2.

y=-3

Plug in y=-3.

x=-3(-3)+5
x= 9+5
x=14

(14,-3)

We can check this.

2(14)+8(-3)=4
28-24=4
4=4 <== this works

I hope this helps!
~kaikers

Answer Link

Otras preguntas

What do you think about the role of technology in teaching language skills?

A bus is traveling 54 miles per hour. Use this information to fill in the table.

o. She thanks him for what he (do )

Multiply (3x-1)(x+2) using FOIL method

How soon following an event that reduces the taxpayer's withholding allowances must the taxpayer submit a new W-4 Form to his or her employer?

Which of the following rational numbers represents a repeating decimal 11/40 3/20 525/1248 or 7/32

Which of the following is a disadvantage of electronic communication?

Every morning the students raise the flag of the blank

The Civil War - The Gilded Age Review AnswersI just finished the test using answers I found on here and almost got 60% so I'll be posting the proper ones here.1

explain the process of coal formation in brief