melschell123
melschell123
01-02-2018
Mathematics
contestada
I need help with 3x-y=4 y=6-2x
Respuesta :
sqdancefan
sqdancefan
05-02-2018
Since you have a "y=" equation, this is solved nicely by substitution.
.. 3x -(6 -2x) = 4
.. 5x -6 = 4
.. 5x = 10
.. x = 2
Then
.. y = 6 -2x
.. y = 6 -2*2 = 2
The solution is (x, y) = (2, 2).
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
Someone please help ASAP please
Richard has 4 and 1/2 ft of wood.He needs to cut the wood into 5 equal peices. Each peice of wood will be?
A fruit salad recipe requires 4 cups of grapes per 8 servings. How many cups of grapes are required for 28 servings? A) 6 Cups B) 10 Cups C) 11 Cups D) 14 Cups
The enrollment in college A may be modeled by y = 0.025x + 1.45, and the enrollment in college B may be modeled by y = 0.037x + 1.186, where x is the number of
A red ballon starts at 7 meters off the ground and rises at 3 meters per second. A ballon starts at 12 meters off the ground and rises at 2 meters per second. W
(7x^3-6+5x^2)+(6x^4-2-6x^3)+(4x^2+3x^4+8x)
all living organisms in a community, plus the abiotic components in the environment
What Muslim ruler born a nomad established an empire they eventually spammed three continents Asia Africa and Europe
Hair grows during which trimester of pregnancy
Find the slope and write the equation in y=mx+b form for (3,9) and (0,3)
