20 points- these are the four questions i'm stuck on for my review assignment and i would appreciate if you showed your steps in how you got the answer.

#1. 6 - 4(3 + x) = 6

#2. 62x + (3) (4) = 74

#3. 13 (x + 6) - 3 = 3x -5

#4. -x + 42 = -4x

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Why do interests rates on loans to be lower in a weak economy than in a strong one