Vocabulary
What operation does the word SUM tell you to use?
ADD
Write an expression to represent the sum of a number and 10
x+10
Solve for x.
x/10=5
x=50
What would you do first to solve this equation?
3x-7=20
x=5
Combine like terms.
3x-2+5x
8x-2
What operation does the word DIFFERENCE tell you to use?
Write an expression to represent 9 more than twice a number.
9+2x or 2x +9
Solve for x.
-4x=20
x=-5
What would you do first to solve this equation?
8-2x=16
Subtract 8
Distribute.
3(x-4)
3x-12
What vocabulary word means the answer to a division problem?
QUOTIENT
Write an equation to show 8 less than a number is 18.
x-8=18
Solve for x.
x-12=-20
x=-8
Solve for x.
2x+10=20
x=5
Distribute.
-4(3x-5)
-12x+20
What is the vocabulary word that is used to identify the 4 in the equation?
3x+4=10
CONSTANT
Write an equation to represent:
Maya bought 3 t-shirts and a pair of pants that cost $20. Her total bill was $42.
3t+20=42
Solve for x.
1/4x=20
x=80
x/4+22=38
x=64
Distribute and Combine
7(x-8)+10
7x-46
What is the vocabulary word is used to identify the 3 in the equation?
3x+4=10
COEFFICIENT
Write an equation to represent the give situation.
Bryn has 20 pairs of shoes. This is 1/4 of the amount that her mom has.
1/4x =20
Solve for x.
-13.64+x=41
x=54.64
-14-2x=-20
x=3
Distribute and Combine
8-2(x-4)
-2x+16