Unit 3 Flashcard Practice

Front

What is the first step to solve the equation 45 + 10w = 135?

Back

Subtract 45 from both sides.

Front

What is the next step after subtracting 45 in the equation 45 + 10w = 135?

Back

Divide both sides by 10.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What is the solution to the equation 4x + 4 = 20?

Back

x = 4.

Front

How do you check if two equations have the same solution?

Back

Solve both equations and compare the solutions.

Front

What does it mean to solve for a variable?

Back

To find the value of the variable that makes the equation true.

Front

What is the result of 3y + (-3) if y = 1?

Back

3(1) + (-3) = 0.

Front

What is the difference between an expression and an equation?

Back

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

Front

What is the solution to the equation x - 4 = 8?

Back

x = 12.

Front

What does the term 'like terms' mean in algebra?

Back

Like terms are terms that have the same variable raised to the same power.