Three step equations

Front

What is a three-step equation?

Back

A three-step equation is an algebraic equation that requires three operations to isolate the variable and solve for its value.

Front

What is the first step in solving the equation -3y + 12 = -48?

Back

The first step is to isolate the term with the variable by subtracting 12 from both sides.

Front

What is the second step in solving the equation -3y + 12 = -48?

Back

The second step is to divide both sides by -3 to solve for y.

Front

What is the solution to the equation 4d + 6 = 42?

Back

d = 9

Front

Back

Subtract 3 from both sides, then multiply by 5 to isolate z.

Front

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

Back

Isolating a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the solution to the equation 2(x + 10) = 16?

Back

x = -2

Front

What is the purpose of using inverse operations in solving equations?

Back

Inverse operations are used to undo the operations applied to the variable, helping to isolate it.

Front

What is the third step in solving the equation -3y + 12 = -48?

Back

The third step is to simplify the equation to find the value of y.

Front

What is an example of a three-step equation?

Back

An example is 2(x + 10) = 16, which requires three steps to solve for x.