2 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

Solve for r: 8r - 14 = 42

Back

r = 7

Front

Solve for x: 2x - 4 = 10

Back

x = 7

Front

Solve for x: x/5 - 13 = 20

Back

x = 165

Front

Solve for e: 22 = 3e + 7

Back

e = 5

Front

Solve for a: 15 = 2a + 7

Back

a = 4

Front

What is the first step in solving a two-step equation?

Back

The first step is to isolate the variable by performing the inverse operation of the constant term.

Front

What does it mean to isolate a variable?

Back

Isolating a variable means to get the variable alone on one side of the equation.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.