Mckayla4581
Mckayla4581
12-02-2016
Mathematics
contestada
2x+y=3 -4x-4y=-8 using elimination?
Respuesta :
Panoyin
Panoyin
12-02-2016
2x + 1y = 3 ⇒ 8x + 4y = 12
-4x - 4y = -8 ⇒ -4x - 4y = -8
4x = 4
4 4
x = 1
2x + y = 3
2(1) + y = 3
2 + y = 3
- 2 - 2
y = 1
(x, y) = (1, 1)
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
According to "A New Biographical Approach," by Emily Toth, how do Chopin’s personal experiences influence the women characters in her writing? Chopin’s experien
help me with #2 parts a,b, and c
) the length of a rectangle is increasing at a rate of 8 cm/s and its width is increasing at a rate of 3cm/s. when the length is 20 cm and the width is 10 cm, h
The American realist movement began in 1865, at the end of the Civil War. How might the war have affected the literature of that time period? Give at least two
The jellyfish propelled its body by filling it with seawater and then pumping it back out. Which word best identifies the antecedent of the underlined pronoun
which character from american born chinese is an example of a protagonist
A set of equations is given below: Equation E: c = 2d + 1 Equation F: c = 3d + 7 Which statement describes a step that can be used to find the solution to the
Foods that are low in sodium and rich in potassium include
Check all that apply: If cos theta = 15/17 then: A. Sec theta = 17/15 B. Tan theta = 8/15 C. Sin theta = 15/8 D. Csc theta = 17/15
When atoms of two or more elements are chemically bonded the substance formed is a?
