4. one solution is (1, 3)
5. (1, -1)
7. -5 = x + 3
x = -5 - 3
x = -8
8. z - 4 = -8
z = -8 + 4
z = -4
Hey there, 2 out of 5 is 2/5. There are a lot of fractions that is equivalent to 2/5, so I am only going to give you 3, 2/5=4/10, 6/15, and 8/40, 2*2=4 and 5*2=10.
