Equations
what is 3x+7=25?
x = 6
Constant
A number by itself that does not change
What is 5(x−2)=3x+6?
x = 8
Janel bought 3 pairs of jeans and 2 shirts for a total of $160.
Each pair of jeans costs $10 more than a shirt.
How much does one pair of jeans cost?
$36 per pair of jeans
3x+5+4x+2
7x+7
What is 4x−5=3x+2?
x = 7
Coefficient
The number that multiplies the variabl
What is 7x+9=2x+24?
x = 3
David has $50 saved and adds $25 each week.
His sister already has $200 saved and adds $10 each week.
After how many weeks will they have the same amount?
10 weeks
6y+9+2y−4
8y+5
what is 2(3x+4)=5x+14?
x = 6
Variable
A letter or symbol that represents an unknown number.
What is 3x+15=60?
x = 15
Maria earns $8 per chore plus a $20 weekly allowance.
If she wants to save $100, how many chores must she complete?
10 chores
9a−3+5a+6
14a+3
What is 1/2(x+6)=8?
x = 10
Terms
A term is a number, variable, or a combination of both that are separated by addition or subtraction signs in an expression.
what is 2.5x+4=1.5x+9
x = 5
A group of friends spent $112 at the movie theater.
They bought 4 adult tickets and 6 child tickets.
Adult tickets cost $4 more than child tickets.
Find the cost of an adult ticket.
$13.60 per adult ticket
7m+2n+3m−n
10m+n
What is −3(x−4)+2=14?
x = 0
Like Terms
Like terms are terms that have the same variable(s) raised to the same power
What is −4(x+3)+2x=10
x = -11
A car rental company charges $45 per day plus $0.30 per mile.
You have $105 to spend and need the total cost to be $105.
How many miles can you drive in one day?
200 miles
5x+8−2x+4
3x+12