158 - Written Equations

Front

What is a written equation?

Back

A written equation is a mathematical statement that shows the equality of two expressions, often involving variables.

Front

What does '8 less than n' mean in equation form?

Back

It means n - 8.

Front

How do you express 'the quotient of 4 and x' in equation form?

Back

It is expressed as 4/x.

Front

What is the equation for 'the sum of a number and 9 is 21'?

Back

The equation is n + 9 = 21.

Front

How do you write 'twice a number is equal to 14' as an equation?

Back

It is written as 2n = 14.

Front

What does '3 times a number is 12' translate to in equation form?

Back

It translates to 3n = 12.

Front

What is the first step to solve the equation n + 9 = 21?

Back

Subtract 9 from both sides.

Front

What is the solution to the equation 2n = 14?

Back

The solution is n = 7.

Front

How do you isolate x in the equation 4/x = 16?

Back

Multiply both sides by x and then divide by 16.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.