Math 7 Flashcard - Add and Subtract Linear Expressions

Front

(2x + 4) - (7x - 1)

Back

-5x + 5

Front

(3x - 4) - (7x - 2)

Back

-4x - 2

Front

Find the difference (2x + 5) − (x + 4).

Back

x + 1

Front

(6x + 9) - (4x + 6)

Back

2x + 3

Front

Find the sum: (7k + 9) + (4k - 3)

Back

11k + 6

Front

What is a linear expression?

Back

An expression that can be written in the form ax + b, where a and b are constants.

Front

What does it mean to add linear expressions?

Back

Combining like terms to simplify the expression.

Front

What does it mean to subtract linear expressions?

Back

Removing the value of one expression from another, often requiring distribution of negative signs.

Front

What are like terms?

Back

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

Front

How do you combine like terms?

Back

Add or subtract the coefficients of the like terms.