Solving One-Step Equations

Front

Solve: y + 9 = -10

Back

y = -19

Front

A __________ is a symbol, usually a letter, used to represent an unknown number.

Back

variable

Front

The inverse/opposite operation of division is ______________.

Back

multiplication

Front

What equation matches this situation? Robyn had some video games then bought 4 more. Now she has a total of 10 games.

Back

v + 4 = 10

Front

What is the difference between an algebraic expression and an equation?

Back

Expressions do not have an equal sign and equations need to have an equal sign.

Front

Solve: 3x = 12

Back

x = 4

Front

What is a coefficient in an equation?

Back

A coefficient is a number that multiplies a variable.

Front

If x - 5 = 10, what is x?

Back

x = 15

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

Solve: 2y + 6 = 14

Back

y = 4