Write and solve 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 the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

What is the first step to solve the equation: 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

What is the solution to the equation: 3x - 4 = 5?

Back

x = 3.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What does it mean to 'solve for x' in an equation?

Back

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

Front

Write the equation that represents: 'A number decreased by 7 equals 12.'

Back

x - 7 = 12.

Front

What is the solution to the equation: 5x + 10 = 35?

Back

x = 5.

Front

In the equation 4x - 8 = 0, what is the first step to solve for x?

Back

Add 8 to both sides to get 4x = 8.

Front

What is the solution to the equation: -9r + 12 = -24?

Back

r = 4.