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 inverse operations in the reverse order of how they are applied.

Front

What is the first step to solve the equation -5z + 5 = -30?

Back

Subtract 5 from both sides of the equation.

Front

What is the solution to the equation 4x + 7 = 23?

Back

x = 4.

Front

What operation do you perform to both sides of the equation to solve for b in 5b + 6 = 31?

Back

Subtract 6 from both sides.

Front

What is the second step to solve the equation 20 = 2 - a?

Back

Add 'a' to both sides and then subtract 20 from both sides.

Front

How do you solve for y in the equation -2y = 20?

Back

Divide both sides by -2.

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.

Front

What is the importance of maintaining balance in an equation?

Back

Maintaining balance ensures that both sides of the equation remain equal after performing operations.

Front

What is the solution to the equation -5z + 5 = -30 after isolating z?

Back

z = 7.