Pre-Algebra

Front

What is the value of k in the equation k + 6 = 9 + 5?

Back

k = 8

Front

What is the value of x in the equation 20 - x = 13?

Back

x = 7

Front

What is the value of v in the equation 17 - v = 9?

Back

v = 8

Front

What is the value of n in the equation 7 + n = 11?

Back

n = 4

Front

What is the value of x in the equation 5 + 5 + x = 13?

Back

x = 3

Front

What does it mean to solve for a variable?

Back

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

Front

What is an equation?

Back

A mathematical statement that two expressions are equal.

Front

What is the purpose of isolating a variable in an equation?

Back

To find the value of the variable by getting it alone on one side of the equation.

Front

What is the first step to solve the equation x + 4 = 10?

Back

Subtract 4 from both sides.

Front

What is the solution to the equation 3 + m = 12?

Back

m = 9