Steph223 Steph223

22-01-2017
Mathematics

contestada

Solving for systems of equations by substitution.

Y=4x
X+y=5

Respuesta :

noodlekid noodlekid

22-01-2017

Since the first equation already gives you y, substitute Y for 4x in the second equation.
y=4x
x+y=5

x+(4x)=5
5x=5
x=1

Now that you know x, plug in x for 1 in the first equation.
y=4(1)
y=4
Answer: (1,4)

Answer Link

Otras preguntas

A MILKMAN SOLD TWO OF HIS BUFFALOES FOR RS.20,000. EACH ON ONE HE MADE A GAIN OF 5% AND ON THE OTHER A LOSS OF 10%. FIND HIS OVERALL GAIN OR LOSS.

Saturn has a radius of 60,330,000 meters and a mass of 5.7 × 10^26 kilograms. Calculate the strength of its gravitational field.

what caused the dust bowl

why are humans more like animals than plants

What is the largest part of the earth: the core,the mantle, or the crust

A MILKMAN SOLD TWO OF HIS BUFFALOES FOR RS.20,000. EACH ON ONE HE MADE A GAIN OF 5% AND ON THE OTHER A LOSS OF 10%. FIND HIS OVERALL GAIN OR LOSS.

Saturn has a radius of 60,330,000 meters and a mass of 5.7 × 10^26 kilograms. Calculate the strength of its gravitational field.

i need help writing an equation from a graph

the boiling point of krypton is -152°c. the boiling point of radon is -6 °c What is the difference between the two boiling points?

find y for x= 1,2,3,and 4y=2x y=3x+1 y=x-5 y=-5x+6