Understanding equations and solutions

Front

A ____________ is a mathematical sentence that uses an equal sign to show that two expressions are equal.

Back

equation

Front

A ______________ is a value for the variable that makes the equation true.

Back

solution of an equation

Front

A number that does not change (it stands alone without any variable attached) is called a ____________.

Back

constant

Front

In the expression 8r − 3, the VARIABLE is ___.

Back

r

Front

What is the solution of the equation d + 9 = 25 if d = 6, 14, 16?

Back

16

Front

A ____________ is a symbol used to represent a number that can change.

Back

variable

Front

In the equation 5x + 3 = 18, what is the coefficient of x?

Back

5

Front

The process of finding the value of the variable that makes an equation true is called ____________.

Back

solving an equation

Front

What is the constant in the equation 2x + 7 = 15?

Back

7

Front

If 3y = 12, what is the value of y?

Back

4