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

Which of the following describes a mesomorph body type? Narrow shoulders and low body fat Short stature and round, prominent abdomen Tall stature and long, slen

The statement "the quantity demanded of a product varies inversely with its price" is a definition of A) laissez-faire. B) the law of demand. C) the invisible

How did changes that the US made affect Japan’s economy after World War II?

what is a scientific species designation

the quote "putting yourself in another person's shoes" is another way of describing a. looking at a problem from the other person's viewpoint. b. changing roles

30 POINTS 6. THE greater than negative number the _____ away it is on the number line. 7.zero is neither _____nor _____. 8. The smaller the negative number the

How many tens are in 14.5

Tim count his friends fingers by five. He count six hands. What number does he say?

if $15 % of $375,how much is 5%

Lowell bought 4 1/4 pounds of apples and 3 3/5 pounds of oranges.How many pounds of fruit did Lowell buy