Algebraic Expressions
Six more than a number
6 + x
Identify the variable in the expression:
t + 7
t
Find y:
y + 6 = 20
14
Solve for y:
5y + 6 = 31
5
Write an algebraic expression for:
Ten times a number
10x
Four times a number
4x
Identify the numerical coefficient in the following expression:
9m
9
Solve for p:
6p = 30
5
Solve for c:
29 = 2c + 3
13
A clerk earns $12 an hour. How much did she earn in 5 hours?
$60
Three times a number subtract four
3x - 4
Identify the constant(s) in the equation:
6t - 8 = 40
8 and 40
Solve for f:
f/3 = 9
27
Solve for m:
13 = m/2 - 5
36
The cost to rent the hall is $100. The cost of food is $8 per person. How much will the party cost if 20 people attend.
100 + 8(20) =
100 + 160 = $260
the difference between eighteen and a number
18-x
Identify the numerical coefficient in the equation:
m + 6 = 17
1
Solve for x:
Four less than a number(x) is sixteen
20
Solve for t:
Thirty-two minus four times a number (t) is sixteen
12
Write an equation and solve:
Adam's Bikes rents bikes for $19 plus $8 per hour. Nicole paid $67 to rent a bike. For how many hours did she rent the bike?
19 + 8h = 67
h= 6
the quotient of twenty-nine and a number h
29/h
Identify the constant(s) and numerical coefficient from the following problem:
Robin walked twice around a lake, plus an extra three km. Her pedometer showed that she had walked a total of 19 km.
Constants= 3 and 19
Numerical Coefficient = 2
Write the equation and solve the following:
An online book costs $15.00 to upload to a computer. How many online books can be purchased for $75.00
15b=75
b=5
Write the equation and solve the following:
The cost of 2 adult tickets at $12 each and n child tickets at $3 each is $39.
24 + 3n = 39
n= 5
Elkins Pointe basketball team purchased equipment and uniforms for a total cost of $912. The equipment cost 612 and the uniforms were $25 each. How many uniforms did the school purchase?
612 + 25u = 912
u = 12