One Step Addition and Subtraction Equations with Variables Flashcard

Front

If a + 9 = 15, what is the value of a?

Back

a = 6

Front

What is the value of z in the equation z + 6 = 20?

Back

z = 14

Front

If e + 12 = 25, what is the value of e?

Back

e = 13

Front

Find the value of b in the equation 20 - b = 8

Back

b = 12

Front

Solve for c: 14 + c = 25

Back

c = 11

Front

What is a variable in an equation?

Back

A symbol (like a, b, or x) that represents an unknown number.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the first step in solving a one-step addition equation?

Back

Subtract the number from both sides of the equation.

Front

What is the first step in solving a one-step subtraction equation?

Back

Add the number to both sides of the equation.

Front

What is the solution to the equation x + 5 = 12?

Back

x = 7