Algebraic Terms

Solve: 3n-4=20

• n=8

• n=9

• n=10

• n=11

What is A VARIABLE?

• the weather

• the amount of money in your bank account

• an unknown amount in an equation or expression

Does an ALGEBRAIC EQUATION have an equal sign?

• yes

• no

What is the INVERSE OPERATION for multiplication?

• addition

• division

• subtraction

• square root

Translate the phrase into an algebraic expression: "Seven less than twice a number."

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."

What do you do when you are SIMPLIFYING AN EXPRESSION?

• You combine like terms until you have the fewest number of terms.

• You find the number that the variable equals.

What does it mean to SOLVE an equation?

• You combine like terms until you get to the least number of terms.

• You use inverse operations to find the value of the variable!

Combine these LIKE TERMS:

3x + 4x + 5 - 2x + 6

• 7x+5

• 1x+11

• 5x+5

• 5x+11