Evulating and Adding Subtracting Expressions

Front

What is the result of (10x + 2) - (8x - 4)?

Back

2x + 6

Front

Evaluate -2x if x = 10.

Back

-20

Front

What is the result of (2x + 3) + (x + 5)?

Back

3x + 8

Front

What is the result of (x-1) + (2x+ 3)?

Back

3x + 2

Front

What is the result of (x + 4) + (3x + 9)?

Back

4x + 13

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is a like term?

Back

Terms that have the same variable raised to the same power.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a term across a sum.

Front

What is the result of combining like terms 3x + 5x?

Back

8x