Adding Expressions

Front

What is the sum of (3w - 8) + (-6w - 4)?

Back

-3w - 12

Front

What is the sum of 4(2.5g - 4) + 3(1.2g - 2)?

Back

13g - 22

Front

What is the sum of (−3x + 7) + (2x − 5)?

Back

−x + 2

Front

What is the sum of (n + 7) + (n - 14)?

Back

2n - 7

Front

What is the sum of (−x + 8) + (−5x − 1)?

Back

−6x + 7

Front

Define 'expression' in mathematics.

Back

An expression is a combination of numbers, variables, and operators (such as + and -) that represents a value.

Front

What does it mean to 'combine like terms'?

Back

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

Front

What is a variable in an expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by each term inside a parenthesis.

Front

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

Back

The coefficient is the number in front of the variable, so in this case, 5 is the coefficient of x.