Adding Expressions

Front

What is the first step when adding the expression (-2x + 5) + (6 - 2x)?

Back

Get rid of the parentheses.

Front

Simplify the expression (10x + 10) + (10 + 10x).

Back

20x + 20.

Front

What is the second step when adding the expression (-2x + 5) + (6 - 2x)?

Back

Combine like terms.

Front

True or false: (6x + 12) + (4x - 4) = 10x + 8.

Back

True.

Front

Simplify the expression (2x + 17) + (5x - 7).

Back

7x + 10.

Front

What does 'combining like terms' mean in algebra?

Back

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

Front

What is the distributive property?

Back

a(b + c) = ab + ac.

Front

What is a variable in an expression?

Back

A symbol (like x or y) that represents a number.

Front

What is the purpose of parentheses in an expression?

Back

To indicate which operations should be performed first.

Front

What is the result of adding two expressions with the same variable?

Back

You combine the coefficients of the variable.