Gal101rose
Gal101rose
14-04-2017
Mathematics
contestada
3x+y=-14
-2x-y=9
Elimination addition
Respuesta :
H1a2r3s4h5
H1a2r3s4h5
14-04-2017
3x+y=-14
-2x-y= 9
________
x=-5
Putting the value of x in any equation
For ex. 3(-5)+y=-14
-15+y=-14
y=-14+15
y=1
So x=-5 and y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
What rules of grammar does poetry often "break"? spelling punctuation rhythm
Theos mom bought an eight pack of juice boxes at the store for 4$ What's the unit rate of juice boxes
the program was designed to land a person on the moon.
what is 155,016 rounded to the nearest thousand
lana wants to buy a book $6.95.how can she pay for the book using the fewest number of dollars,dimes,and pennies? using only pennies?
Write -2x^2(-5x^2+4x^3)
The first American play of merit, written in 1852, was an adaptation by George L. Aiken of ______.
What does it mean to estimate?
what number does the prefix kilo- represent?
Which expression is equivalent to 4 to the 6th power ⋅ 4to the −8 power?
