Seudónimo Seudónimo

03-01-2017
Mathematics

contestada

Given the system of equations:
2x + 2y = 16
6x + 4y = 38
What is the value of X?
A. 13
B. -1
C. 3
D. 1/3

Respuesta :

fencingparry4 fencingparry4

03-01-2017

2x=16-2y
x=8-y

6(8-y)+4y=38
48-6y+4y=38
48-2y=38
-2y=-10
y=5

8-5=x
x=3 <-Answer

Answer Link

Otras preguntas

l;;;hjjjjjjjjjjjjjjjjjjjjjjjj

A school is constructing a rectangular play area against an exterior wall of the school building. It uses 120 feet of fencing material to enclose three sides of

Read the excerpt from "Ain’t I a Woman?” by Sojourner Truth. Well, children, where there is so much racket there must be something out of kilter. How might the

do most of the physical digestion take place in the top half of the digestive tract (mouth esophagus,and stomach ) or the bottom half (the intestine)?

The Lusitania, the Zimmerman Telegram, and making the world “safe for democracy” are all associated with:

Please help, what are the answers to these

Please help me thanks

Find the value of x and the measure of angleMNQ. 3x − 11°62° The value of x is 90 ° and the measure of angleMNQ is 180 °.

PLEASE HELP IMPORTANT TO MY GRADE!! How did the Radical Republicans react when Johnson tried to allow former southern Confederate leaders to regain their polit

How do silica levels differ between the North Atlantic and North Pacific oceans