Math 7 Flashcard - Add and Subtract Linear Expressions

Front

What is the sum of (7k + 9) + (4k - 3)?

Back

11k + 6

Front

What is the result of (7a + 4) - (9a + 2)?

Back

-2a + 2

Front

Calculate the difference: (3x - 4) - (7x - 2).

Back

-4x - 2

Front

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

Back

x + 1

Front

What is the sum of (3x + 15) + (4x + 13)?

Back

7x + 28

Front

Define 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 combine like terms?

Back

To add or subtract terms that have the same variable raised to the same power.

Front

What is the coefficient in the expression 5x + 3?

Back

5 is the coefficient of x.

Front

What is the constant term in the expression 2x + 7?

Back

7 is the constant term.

Front

How do you simplify the expression 3x + 4x?

Back

Combine like terms to get 7x.