2 step equations (9.22.16)

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 reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

Solve: 2x + 16 = 130

Back

x = 57

Front

What is the first step to solve the equation 3x - 5 = 7?

Back

Add 5 to both sides of the equation.

Front

Solve: 3x - 5 = 7

Back

x = 4

Front

What does it mean to combine like terms in an equation?

Back

Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

Front

Solve: 4x - 9x + 3 = -32

Back

x = 7

Front

What is the solution to the equation 5x - 14 = 8x + 4?

Back

x = -6

Front

What is the purpose of checking your solution in an equation?

Back

Checking your solution ensures that the value you found satisfies the original equation.

Front

Solve: 5x + 20 = -5x

Back

x = -2