Solving Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they appear in the equation.

Front

What is the first step to solve the equation 5x + 4 = -6?

Back

Subtract 4 from both sides to get 5x = -10.

Front

What is the second step to solve the equation 5x = -10?

Back

Divide both sides by 5 to find x = -2.

Front

What does it mean to 'solve for x'?

Back

To solve for x means to find the value of x that makes the equation true.

Front

What is the solution to the equation 6n + 4 = -26?

Back

n = -5.

Front

How do you check if your solution is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the solution to the equation -3x + 5 = -16?

Back

x = 7.

Front

What is the solution to the equation 15 = 2a + 7?

Back

a = 4.

Front

What is the solution to the equation 12 = 4 - 4x?

Back

x = -2.