15-01-2015
Mathematics

Answered

How do u solve

8x-4y=2
4x-2y=1

Answer :

15-01-2015

8x-4y=2

4x-2y=1

4y and 2y cancel eachother out

8x+4x=12
2+1=3
3÷12
x=4

8×4=24-4y
20-18
y=18

answer:(4,18)

Answer Link

Other Questions

Passage of the Twelfth Amendment was a direct result of the (A) controversy that arose when the election of 1824 was settled in the House of Representatives (B)

After a large snowstorm, you shovel 2,500 kilograms of snow off of your sidewalk in half an hour. You lift the shovel to an average height of 1.5 meters while y

The Encounter occurred as a result of European explorers crossing the (1) Atlantic Ocean (2) Sahara Desert (3) Andes Mountains (4) Mediterranean Sea

Green light has a lower frequency than blue light. Which color of light has a longer wavelength?

If a small machine does 2,500 joules of work on an object to move it a distance of 100 meters in 10 seconds, what is the force needed to do the work? What is th

What is the slope of a line that passes through the points (3,-2) and (-5,-4)

10% of what number is 14?

If a small machine does 2,500 joules of work on an object to move it a distance of 100 meters in 10 seconds, what is the force needed to do the work? What is th

From a class of girls and boys the probability that one student chosen at random to answer a question will be a girl is 1/3 . If four boys leave the class , the

After a large snowstorm, you shovel 2,500 kilograms of snow off of your sidewalk in half an hour. You lift the shovel to an average height of 1.5 meters while y