Writing and Solving Two-Step Equations

Front

What is a two-step equation?

Back

Front

What is the first step to solve the equation: 11 - 3x = 44?

Back

Subtract 11 from both sides.

Front

Write the equation for: Twice a number plus 6 is -72.

Back

Front

If Joseph sold his iPhone for $180 and it was triple the price he paid, what is the equation to find the price he paid?

Back

Front

Solve the equation: 12 - 6y = 24.

Back

y = -2.

Front

What is the solution to the equation: -4x + 1 = 21?

Back

x = -5.

Front

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

Back

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

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 and solve the equation.

Front

How do you check if your solution to an equation is correct?

Back

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

Front

What is the first step in solving the equation: 3x = 180?

Back

Divide both sides by 3.