amp92904
amp92904
01-03-2019
Mathematics
contestada
Help me please
I don't know how to do this
Respuesta :
XuHuang016
XuHuang016
01-03-2019
I don’t either
Can someone please teach me
Answer Link
helloitschump0vfdz
helloitschump0vfdz
01-03-2019
X = 1, Y = -1
You could do substitution :
x - y = 2
x = 2 + y
———————-
5(2 + y) + y = 4
10 + 5y + y = 4
10 + 6y = 4
6y = -6
y = -1
———————-
x - (-1) = 2
x + 1 = 2
x = 1
——————————
CHECK ANSWER :
5(1) + (-1) = 4
1 - (-1) = 2
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
Rose and Jack plan to study together for the Math test. They decide to meet at the library between 8:00pm and 8:30pm. Assume that they each arrive (independentl
Is y= x^2-1 a linear equation?
For the following C code, variables a, b, c, and n correspond to the registers $s0, $s1, $s2 and $a0 respectively and i corresponds to $t0. The callee doesn’t h
A rectangle has a perimeter of (20x+12y). If one side of the rectangle is (3x-4y), write the expression for the other side
Explains tue effects on the economy and society caused by the technological advances of steamboat and railroads.
Combine like terms to simplify the expression 3X + 5 - X + 1
which ordered pair is the solution to the system of linear equations y=5x+8 and y= -4x-1
Back at school, a bully named Derrick Dunne used to torment Stanley. The teachers never took Stanley’s complaints seriously, because Derrick was so much smaller
It is incumbent upon our sales representatives to make overtures of a positive nature to prospective clients prior to the finalization of their respective sales
La Belle Inc. introduced a new line of accessories for teenage girls last season. Following its immense popularity with the targeted group, the company anticipa
