Adding and subtracting expressions

Front

What is the sum of 5x + 2y and 9x + y?

Back

14x + 3y

Front

Subtract 10h + 7 from 3h - 2. What is the result?

Back

-7h - 9

Front

What is the sum of -4p - 3v and 3p - v?

Back

-p - 4v

Front

What is 2a + 3b + 5c increased by a + b - c?

Back

3a + 4b + 4c

Front

What is 9j - 2 decreased by 7j + 4?

Back

2j - 6

Front

Define a variable in algebra.

Back

A symbol used to represent an unknown value.

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 distributive property?

Back

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

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.