12/16 Do Now

Front

What is the solution to the equation r + 12 = 25?

Back

r = 13

Front

Solve the equation: 4p = 16

Back

p = 4

Front

What is the value of x if x = 10?

Back

x = 10

Front

What is the process to isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

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

Front

What is the solution to the equation 5y - 10 = 0?

Back

y = 2

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 is the solution to the equation 3x = 21?

Back

x = 7

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.