Download Day 8 Worksheet Solutions

Algebra I
Unit 1. Day 8
Literal Equations HW
Name:
Period:
Solve for the given variable.
1) Solve for y:
3x  y  4
3) Solve for x: 12  9 y  3x
5) Solve for y:
7) Solve for d:
30  9 x  5 y
2c – 3d = 11
2) Solve for y:
x  2y  5
4) Solve for x:
8 y  8x  5
6) Solve for y: 18 x  2 y  26
8) Solve for y:
1
x + 3y = -6
3
7) Solve for B:
9) Solve for x:
PBK
3x + a = b
8) Solve for H:
10) S =
F  Ha
mdN
; Solve for d.
12
Can you handle a {few} word problem?
11) The total cost C (in dollars) to participate in a ski club is given by the literal equation
c = 85x + 60, where x is the number of ski trips you take.
a. Solve the equation for x.
b. How many ski trips do you take if you spend a total of $315? $485?
12) The penny size (top of a nail) indicates the length of the nail. The penny size d is given by the
literal equation d = 4n - 2, where n is the length (in inches) of the nail.
a. Solve the equation for n.
b. Use the equation from part (a) to find the lengths of the nails with the following penny
sizes: 3, 6, and 10.