Modeling and Solving 2-Step Equations

Front

What is a 2-step equation?

Back

A 2-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

What is the first step in solving the equation 5x + 7 = 12?

Back

Subtract 7 from both sides to isolate the term with the variable.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to move other terms to the opposite side of the equation.

Front

What is the solution to the equation -1.3g + 1.9 = -11.1?

Back

g = 10.

Front

What is the first step to solve the equation 10 - 3y = 4?

Back

Subtract 10 from both sides.

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the equation for the model described as '3 times a number plus 4 equals 13'?

Back

3x + 4 = 13.

Front

What is the solution to the equation 33 = 4a - 7?

Back

a = 10.

Front

What operation would you perform first in the equation 4x - 5 = 11?

Back

Add 5 to both sides.

Front

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

Back

Inverse operations help to cancel out terms and isolate the variable.