kenz0804
kenz0804
19-10-2016
Mathematics
contestada
I need 10x+3y=19 and y=2x+5 solved algebraically
Respuesta :
apologiabiology
apologiabiology
19-10-2016
y=2x+5
sub 2x+5 for y in other equaiton
10x+3(2x+5)=19
distribute
10x+6x+15=19
minus 15 from both sides
16x=4
divide both sides by 16
x=1/4
sub back
y=2x+5
y=2(1/4)+5
y=1/2+5
y=5.5=11/2
solution is (1/4,11/2) or in decimal, (0.25,5.5)
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
The graph of [tex]y=4x-11[/tex] is translated up 8 units. Which equation represents the translated graph?
Which letter has rotational symmetry?
How did the treaty of Versailles lead to world war 2?
Syah work as senior designer in creative design company. he is an imaginative person and always updates himself with the latest technology and software. and he
a patio is shaped like a golden rectangle. it's length ( the longer side) is 16ft. what is the patios width? write your answer in simplified radical form.
What was the experiment carried out by Hershel & Ritter.
The graph of [tex]y=4x-11[/tex] is translated up 8 units. Which equation represents the translated graph?
4+2(5*7) please help me do this, km in year 10!
slugs are the only member of what that have no shells
what the break in the lithosphere called
