studentx1
studentx1
02-02-2017
Mathematics
contestada
-7x+y=-19
-2x+3y=-19
Respuesta :
httplyiah
httplyiah
02-02-2017
-7-2=-9
y+3y=4y
-9x+4y=-19
Answer Link
Melodyzz
Melodyzz
02-02-2017
y=7x-19
-2x+3(7x-19)=-19
-2x+21x-57=-19
19x-57=-19
19x=38
x=2
-7(2) + y = -19
-14 + y = -19
y=-5
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
Why was the French and Indian war significant to the American revolution
Two equivalent fractions of 4/12
Which of the following were likely factors that prompted Swift to write "A Modest Proposal?" Select all that apply. An overpopulation problem in Ireland Severe
A newborn weighing 9 lb 14 oz (4479 g) is delivered by cesarean due to cephalopelvic disproportion. The Apgar scores are 7 at 1 minute and 9 at 5 minutes. Which
Adenosine triphosphate (ATP) is the main energy currency used in cells. ATP hydrolysis is coupled with unfavorable reactions, making the net change in energy fo
The psychologist who disagreed with Spearman about the nature of intelligence, identifying seven clusters of primary mental abilities rather than one general in
There were no geologists alive when the Bright Angel shale layer formed. However, scientists have been able to determine that this rock formed near the shore of
Business cycles consists of four phases: expansion, recession, contraction, and recovery. True or false?
Write a function that takes in a nonnegative integer and sums its digits. (Using floor division and modulo might be helpful here!)def sum_digits(n):"""Sum all t
Me llamo Fabián y por las mañanas me despierto a las siete menos cuarto de la mañana. Me cepillo el pelo, me lavo la cara y me ducho. Luego, desayuno con mi her
