evelsmithrn
evelsmithrn
19-03-2015
Mathematics
contestada
Using substitution 3x-5y=11 and x-3y=1
Respuesta :
Panoyin
Panoyin
19-03-2015
3x - 5y = 11 ⇒ 3x - 5y = 11
1x - 3y = 1 ⇒
3x - 9y = 3
4y
=
8
4 4
y = 2
3x - 5(2) = 11
3x - 10 = 11
+10 +10
3x
=
21
3 3
x = 7
(x, y) = (7, 2)
Answer Link
VER TODAS LAS RESPUESTAS ( 82+ )
Otras preguntas
advantages and disadvantages of resonance
What are the three structural components of a nucleotide? A. A carboxyl, a sugar, and a phosphate B. A phosphate, an amino acid, and a carboxyl C. An amino acid
slugs are the only member of what that have no shells
What is the difference between refraction and rarefaction?
what is x squared minus 14x plus 49
why we do not feel the heat and light of countless twinkliing stars?
Which letter has rotational symmetry?
can someone please help me solve x + 0.018 = 9
what would happen if the keystone species of hummingbirds were taken out of there ecosystem?
I want a fairy tale, history or an autobiography written in Spanish and containing the present tense, past tense, past tense and future tense..I just need a sma
