solving equations

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 5b - 6 = 24?

Back

Add 6 to both sides of the equation.

Front

What do you do after adding 6 to both sides in the equation 5b - 6 = 24?

Back

Divide both sides by 5.

Front

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

Back

Subtract the number of stickers left (54) from the total (70): 70 - 54 = 16.

Front

What is the solution of the equation 9 + k = 18?

Back

k = 9.

Front

How do you isolate the variable in the equation 3x + 7 = -8?

Back

Subtract 7 from both sides, then divide by 3.

Front

What is the solution of the equation 3x + 7 = -8?

Back

x = -5.

Front

How do you solve for x in the equation x + 8 = -3?

Back

Subtract 8 from both sides.

Front

What is the solution of the equation x + 8 = -3?

Back

x = -11.