U3L3: Solving Equations with Variables on Both Sides

Front

What is the first step to solve the equation 5x + 15 = 10x - 40?

Back

Subtract 5x from both sides to isolate the variable.

Front

Solve: 5x + 15 = 10x - 40

Back

x = 11

Front

What property is used when you subtract the same number from both sides of an equation?

Back

Subtraction Property of Equality.

Front

What is the first step to solve the equation -3(x - 2) = -8 + 9b?

Back

Distribute -3 to the x and -2.

Front

Back

p = 4

Front

Solve: -2x + 18 = 2x + 40

Back

x = -5.5

Front

What is the Addition Property of Equality?

Back

If you add the same number to both sides of an equation, the two sides remain equal.

Front

What is the Division Property of Equality?

Back

If you divide both sides of an equation by the same non-zero number, the two sides remain equal.

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the goal when solving an equation?

Back

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