Solving two-step equations (basic)

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. It typically involves addition or subtraction followed by multiplication or division.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order. First, eliminate the constant term by adding or subtracting, then eliminate the coefficient by multiplying or dividing.

Front

Solve for k: 7k - 14 = 42

Back

k = 8

Front

Solve for x: 2x - 8 = 12

Back

x = 10

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

Solve for x: 5x - 8 = 12

Back

x = 4

Front

Solve for x: 4x + 7 = 23

Back

x = 4

Front

What is the first step to solve the equation 7k - 14 = 42?

Back

Add 14 to both sides of the equation.

Front

What is the second step to solve the equation 2x - 8 = 12?

Back

Add 8 to both sides, then divide by 2.

Front

What does it mean to 'solve for x'?

Back

To 'solve for x' means to find the value of x that makes the equation true.