Andre111 Andre111

25-09-2017
Mathematics

contestada

If x + y =28 and x - y = -4 , then find the numerical value of y

Respuesta :

25-09-2017

12+16=28
12-16= -14
Therefore y= 16

Answer Link

vinzkumar10owgvm7 vinzkumar10owgvm7

25-09-2017

solve simultaneously! use elimination method.

x+y=28
-
x-y=-4
=0x+2y=32
2y/2=32/2
y=16

Answer Link

Otras preguntas

Effective product promotion requires that everyone who creates and manages promotional messages have free access to information about the customer, the product,

khan academy creating box plots

pls help plsssssssssssssssssssssss

which expression have a vaule of -1/64?

Find the length of the line segment AP given that AB = 38 and PB = 27. A. 12 B. 22 C. 65 D. 11

The language arts teacher wants to know whether the students in the entire school prefer a debate or an speech. The teacher draws a random sample from the follo

Which laws regulate driver behavior

8' 4" − 2' 6" = (Its not easy)

Which angle or angles are supplementary to EOF?

8' 4" − 2' 6" = (Its not easy)