Algebra!!!!

Vocabulary

100

a phrase (4a)

What is an expression

200

4 + a = 9 (a sentence)

What is an equation

300

an unknown value

What is a variable

400

the number a variable is multiplied to (8a)

What is coefficient

True or false?

100

20= 2 x 10

What is true

200

c + 5 = 12      c = 7

What is true

300

2m = m + 6      m=4

What is false

400

3= 12 - a       a= 6

What is false

write a variable equation

100

the sum of 12 and n is 24.

What is 12 + n = 24

200

the sum of 8 and n is 10.

What is 8 + n = 10

300

the answer of a multiplication(product) of n and 3 is 15

What is 3 x n = 15

400

the answer of a multiplication(product) of n and 5 is 20

What is n x 5 = 20

Solve the equation

100

r + 6 = 30

What is 24

200

8f= 72

What is f=9

300

26 - n =7

What is 19

400

7w= 49

What is 7