adrianachavez
adrianachavez
11-01-2017
Mathematics
contestada
What is
x=3y-1
x=-2y+9
Respuesta :
ericamslinde
ericamslinde
11-01-2017
Are you to combine the answer or are they 2 separate equations you need to solve for y?
Answer Link
apologiabiology
apologiabiology
11-01-2017
since both equal x, just subsitute them
3y-1=x=-2y+9
3y-1=-2y+9
add 2y to both sides
5y-1=9
add 1 to both sides
5y=10
divide both sides by 5
y=2
sub back into any equation
x=3y-1
x=3(2)-1
x=6-1
x=5
x=5
y=2
(5,2)
Answer Link
VER TODAS LAS RESPUESTAS ( 21+ )
Otras preguntas
who is hitler?what did he do?
multiplying polynomials(3m-1)(8m+7)
which of the following linear equations when graphed on a coordinate grid has the steepest slope? a. y=1/4x-7, b. y=7/3x-2, c. y=9x+2/3 d. y=6x=5/9
which of the following binomials is Not prime? a. 2x+1 , b. 3x+2 , c. x2-4 , d. x2+8
Is it possible to draw a triangle with sides 150cm, 10cm, 10cm
Patrick owns an apartment building. He knows that the money he earns in a month depends on the rent he charges. The relationship can be modelled by E=1/50R(1650
multiply polynomials(2n+2)(6n+1)
how mANY PLANTES are there
5 examples of a combustion reactions.
Solve 4/(x + 1) - 1/x = 1 over the real numbers.