Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, using an equal sign (=).

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown number in an equation.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation to find its value.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What is the inverse operation of division?

Back

The inverse operation of division is multiplication.

Front

How do you solve the equation p - 254 = 765?

Back

Add 254 to both sides to isolate p: p = 765 + 254.

Front

What is the solution to the equation 6b = 30?

Back

Divide both sides by 6: b = 30 / 6 = 5.

Front

Which operation would you use to solve x - 62 = 123?

Back

Add 62 to both sides to isolate x.