3 years ago

Solve the following system of equations using the substitution method.

1 answer:

7 0

X=2y
2x+5y=9

substitute the x=2y into the second equation
2(2y)+5y=9
multiple the 2y by 2. 4y+5y=9
combine like terms. 9y=9
divide the 9 out from both sides. y=1
plug the y back into the first equation
x=2(1)
multiply. x=2

your answer is: x=2
y=1

You might be interested in

He temperature equivalent to 77°F is °C. Use the formula to convert the temperature.

BartSMP [9]

The answer is 25 °C.
Hope this helps!

4 0

3 years ago

Read 2 more answers

Five times the sum of 8u and eight gives one hundred sixty

gizmo_the_mogwai [7]

Answer:

u=3

Step-by-step explanation:

(8u + 8)5 = 160

40u + 40 = 160

40u = 120

u = 3

8 0

3 years ago

What is the average rate of change from x = -1 x = 2 equal to 5?

kherson [118]

Yes. And thanks.for free branana

7 0

2 years ago

The Colosseum in Rome has a total volume of 47 million cubic feet. When it was in use, it was 180 feet tall. Suppose a scale mod

nevsk [136]

Answer:

56 ft

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Which table represents a relation that is not function Please urgent

NARA [144]

The Correct answer is 2

4 0

2 years ago