Expressions
Identify the Like Terms in the expression:
10x + 5 + 3x + 1
What are 10x and 3x, and 5 and 1?
a - 7 = 19
Solve for a.
What is a = 26?
Factor the Expression:
24h - 6
What is 6(4h-1)?
Write the equation.
Solve it.
21 more than a number b is 5.
What is b+21=5?
What is b=-16?
This is the number that we times or divide the variable by. Example: Its the 3 in
3x or x/3
What is the coeffiecient?
Simplify the Expression:
7d+ 5 - 4d
What is 3d+5?
Solve for the variable.
4v = 48
What is v=12?
Solve for k.
4(k-10) = 0
What is k=10.
Distribute the 4. Then solve the 2step equation.
4k-40 = 0
Write an equation. Then solve it.
7 less than a number c is -3.
What is c-7=-3?
What is c= 4?
5x + 6x+ 10 + 4 - 3x
What is 5 terms?
Terms are separated by plus or minus signs.
Simplify the expression:
12 x + 9 - 3x - 4
What is 9x + 5?
Solve for the variable.
m/9 = -9
What is m = -81?
Factor the Expression:
10w + 2x
What is 2(5w+x)?
Write the equation. Then solve it.
The temperature is -5 degrees. A high pressure front increases the temperature to 10 degrees. By how many degrees did the temperature increase?
What is -5 + h = 10
What is h = 15 degrees?
The unknown amount we are solving for, usually represented by a lower case letter.
What is the variable?
Find the sum.
(2x+7) + (4x+1)
What is 6x+8?
Solve for the variable.
7s + 5 = 40
What is s=5?
Factor the expression:
-20p - 5
What is -5(4p+1)?
Write and equation. Then solve it.
The monthly dues for a black card (premium) membership at Planet Fitness is $5 more than the cost of a standard membership. The premium membership is $15 per month.
What is s + 5 = 15?
What is s = $10?
Terms that have the same variable with the same exponent.
Examples:2x and 10x.
5 and 9.
NON example: 2x2 and 5x
What are like terms?
Find the difference.
(2m+7) - (3 - 4m)
BE CAREFUL!!!! THINK ABOUT SUBTRACTION!!!!
What is 6m+4?
Rewrite as adding the opposites!!!
(2m+7) + (-3+4m)
Solve for the variable.
p+5p = 30
What is p = 5?
p+5p=30
6p=30
What is 2?
Lilley and Kent
Write and equation. Then solve it.
It costs $5 to rent bowling shoes. Each game costs $6.00, You have $29.00. How many games can you play?
What is 5 + 6g = 29?
What is g=4 games?
This is the name for 2 expressions that are EQUAL to each other.
What is an EQUATION?