Expressions
Simplify:
3(x+2)
3x + 6
Solve for x.
2x = 8
x = 4
Write an Inequality
J is less than 8
J < 8
Another word for numbers used in expressions and equations
Constant
Simplify:
9x - 3x
6x
solve the equation
z/30 = 70
z = 2,100
Write an inequality
S is at most 55
s≤55
This type of math problem has no equal sign.
Expression
Simplify
4 (m + 9)
4m + 36
Solve for v:
v/3 = 30
v = 90
Solve for c.
c - 11 > 22
c > 33
A basketball game is 60 minutes long. Twenty-one minutes of the game have been played. Write and solve an equation to find the number of minutes that remain.
m + 21 = 60
m = 39 minutes
Simplify:
5(7m + 5) -6
35m + 19
Solve the equation:
16.6 = s + 4 - 3
s = 15.6
Solve and graph the inequality
2/4w < 1/4
w < 1/2
Double a number x is no more than 7.
2x ≤ 7
Simplify:
1/2x - 6.75 + 3/4x + 19.2
1 1/4x + 12.45
x - 1/4= 1 1/8
x = 1 3/8
Solve and graph the inequality:
8 ≥ r + 2.3
r ≤ 5.7
You are having a pizza party. It costs $60 for the birthday cake and $7 for each pizza.
Write an algebraic expression to find the cost of the party. Define your variable.
c = cost
60 + 7c