Elimination
4x-6y=10
-4x+4y=-12
(4,1))
y=3
2x-y=7
What was the war between the North and South in the United States called?
The civil war
3x + 2y = −12
4x − 2y = −2
(-2,-3)
-3x+7y=-9
x=-4
(-4,-3)
What is the name of the wizard school Harry Potter attends?
Hogwarts
−2x − 8y = 10
2x − 6y = 18
x=-4y-11
2x+y=6
(5,4)
What year did the United States land the first human on the moon?
1969
−5x − 4y = −15
−x + 4y = −3
(3,0)
4x+3y=-14
y=2
Who was the U.S. president during the Louisiana Purchase?
Thomas Jefferson
−2x + 9y = −4
2x + 3y = −20
(-7,-2)
y+x=3
x=y+5
(4,-1)
What city was the first to be attacked with an atomic bomb?
Hiroshima