4k+5=7k-7+9k
4k-7k-9k=-7-5
-12k=-12
k=1
YAY!
-1/2(-8x+10) = -4x - 5
1 1/3 * 2 1/3 * 3 1/3 = 4/3 * 7/3 * 10/3 = 280/27 = 10 10/27
The median is the middle number after you arrange the set of numbers in the order from least to greatest.
5+3 = 8the square root of 8 simplified is 2 times the square root of 2 or about 2.83
Don't worry my math teacher said it's supposed to be hard. I gave up after like 1.5 hours!
the problem says you can't use exponents
-49/39 or -1 10/39
6*8 does not equal 42 it equals 48
+204 