One Step Equations
3y= -6
y= -2
2 - 4n + 7n
2 + 3n
Sara gets a job sweeping a hair salon for $50 per week (w). Write her weekly income as an expression.
50w
9 (-7x - 2) + 9
-63x - 9
18+4(9x-4)
36x +2
n + 7 = 3
n= -4
8a + 15a + a + 9
24a + 9
Kim has 5 more than twice as many pencils as James. James has x pencils. Write an expression for the number of pencils Kim has.
5 + 2x
-5 (1 + 7n) - 1
-6 - 35n
2(3v+1)+4v
10v+2
16= -4k
k= -4
2 - 5k + 9k
2 + 4k
Tickets to the fair cost $8 each. If Liam buys n tickets and also pays a $3 parking fee, write an expression for his total cost.
8n + 3
8 + -4 (8 + 9m)
-24 - 36m
4(5x+10) + 2(4x-8)
28x+24
m = -12
10n + 8n - 6
18n - 6
A taxi charges a flat fee of $4 plus $2 per mile. Write an expression for the cost of a ride that is m miles long.
2m + 4
8 (10x - 9) + 3
80x - 69
2(1+a)+3a
2+5a
w/4= -2
w= -8
x - 10 + 6x + 10
7x
A school club is selling gift baskets. Each basket contains 3 jars of jam (at $6 each) and n cookies (at $2 each). The club also charges a flat $10 packaging fee per order. Write an expression for the total cost of b baskets plus the packaging fee.
b(18 + 2n) + 10
or
b((3x6) + 2n) + 10
-4 + -6 (-7 + 7m)
38 - 42m
3 (9x + 4) + -5 (1 + 4x)
7x + 7