Equations Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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 r - 11 = 5?

Back

Add 11 to both sides of the equation.

Front

What is the solution of r - 11 = 5?

Back

r = 16.

Front

If I have 70 stickers and I give away some, how do I find out how many I gave away if I have 54 left?

Back

Subtract the number of stickers left from the original amount: 70 - 54 = 16.

Front

What is the first step in solving the equation 5b - 6 = 24?

Back

Add 6 to both sides of the equation.

Front

What is the solution of 5b - 6 = 24?

Back

b = 6.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation to get the variable by itself.

Front

What is the solution of x - 32 = 49?

Back

x = 81.

Front

What is the solution of 13 = t + 7?

Back

t = 6.