Need help with these questions but all work must be shown

1.Solve the equation:4x - 5 = 2x + 3

2.Solve the equation:-4x = -12

3.Find the mean or averageof these savings accounts:$215, $156, $318, $75, and $25

4.Solve:x/11=12/33

5.The scale on a map is 1 centimeter equals 25 miles.How many miles would 3 centimeters be equivalent to?

6.Find the decimal equivalent of:3/4

7.Simplify:5/16 + 3/8

8.Find the missing coordinate to complete the ordered-pair

2x + 5y = 12a.(1,?)b.(?,1)c.(0,?)d.(?,0)

9.Evaluate and round to the nearest thousandth:(6.253)(5.07)

10.Simplify:- (x - 5)