tcuff2002
tcuff2002
26-01-2017
Mathematics
contestada
5x+y=27 y=4x using substitution method
Respuesta :
LukesTuke
LukesTuke
26-01-2017
5x + y = 27
substitute: 5x + 4x = 27
combine: 9x = 27
divide (by 9): x = 3
Answer Link
Apocrophon
Apocrophon
26-01-2017
Substitute 4x for y, and solve for x;
5x + (4x) = 27
9x = 27
x = 3
Substitute 3 in for x in the first equation and solve for y;
5(3) + y = 27
15 + y = 27
y = 12
Answer Link
VER TODAS LAS RESPUESTAS ( 44+ )
Otras preguntas
did mostly quakers settle in connecticut colony
What word means able to work properly while using less energy
Why does the evaporation of sweat cool your body on a warm day
An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mp
If 3(4x+8)=12, then x=
what is the answer for r+11+8r=29?
Find which two consecutive whole numbers the square root is between. Write the letter of the exercise on the number line between these two numbers. [tex] \sqrt3
The numbers 7, 24, and c are a Pythagorean triple. What is the value of c? A. 31
Write a rule for the sequence 3, - 3, - 9, - 15
if measure of the angle fhg is 61 degrees, what is measure of angle fpg (on a circle)
