State whether each equation is TRUE, FALSE or an OPEN SENTENCE

4x - 8 = 25

State whether each equation is TRUE, FALSE or an OPEN SENTENCE:

5 + x = 90 ÷ 9 + 4

State whether each equation is TRUE, FALSE or an OPEN SENTENCE:

4 - 15 = 23 - 33

Simplify each expression:

7m + 3y - 2m + y + 8

Simplify each expression:

2x + 4 + 3x

Simplify each expression:

5y + y

Simplify each expression:

4g + 9 + 3g

Name the coefficients:

3x + 7

Name the coefficients:

6kp + 9k + kp - 14

How many terms do you have in this example:

c + 2c + c - 5c + 1

Name the constants:

15t - 14t + 21

Name the variables:

2x - 9y +7x + 20y

Is the given number a solution of the equation?

9k = 10 - k ; for k = -1

Is the given number a solution of the equation?

-7r - 15 = -2r ; for r = -3

In the term 12d, 12 is called the...

A(n) __________________ consists of a mathematical sentence that includes numbers, variables, and operations.

A(n) __________________ is a number and/or variable that is separated by addition or subtraction.

A __________ is the term with a number with NO variables.

A ___________ is the number that multiplies the variable in an algebraic expression.

Simplify the expression by combining like terms.

8a+4b+2c-3b+a

Simplify:

20y + 19y - 2x + 3x + 2

Is the given number a solution of the equation?

5 - 15s = 8 - 16s ; for s = 3