23-02-2016
Mathematics

contestada

YOU can Help me On this Homework
please.

YOU can Help me On this Homework please class=

Respuesta :

taskmasters taskmasters

03-03-2016

Here are the two equations:
2x - y = 2
x + 2y = 18.5

By substitution.
2x - y = 2
y = 2x - 2

Substitute y to the second equation: x + 2y = 18.5
x + 2(2x-2) = 18.5
x + 4x - 4 = 18.5
5x = 22.5
x = 4.5

get y by substituting x to 2x - y = 2
2(4.5) - y = 2
y = 7

So x = 4.5, y = 7

Answer Link

Otras preguntas

Which sentence uses the past form of the verb stand? A. The guard is standing at attention in front of the palace. B. The guard stood at attention in fron

Number 10 I think it's 1 but I'm not exactly sure

How many McDonald's are there in the whole world?

Regardless of where people live, they are dependent on resources produced in rural areas. a. True b. False

Which words in the sentence are the infinitive? When Jeremy packed for camp, he was unsure how much clothing he needed to bring. a. he needed b. to bring c.

Factor 3x^2y^2 − 2xy^2 − 8y^2. Show your work.

Who was the 26th president?

Swamps, wetlands, and sandy beaches are located throughout the __________ region. A. Great Plains B. Great Basin C. Coastal Plains D. Pacific Coast

What God was important to the Mayans?

draw a graph which depicts long run equilibrium of transnet