1K Solutions to Equations

Front

What is a solution to an equation?

Back

A solution to an equation is a value of the variable that makes the equation true.

Front

How do you check if a value is a solution to an equation?

Back

Substitute the value into the equation and see if both sides are equal.

Front

What does the symbol ≠ mean?

Back

The symbol ≠ means 'not equal'.

Front

What does the equation 3x = 12 represent?

Back

It represents a linear equation where 3 times a variable x equals 12.

Front

If x = 4 in the equation 3x = 12, is it a solution?

Back

Yes, because 3(4) = 12 is true.

Front

What does TRUE mean in the context of equations?

Back

TRUE means that the equation holds valid for the given value.

Front

What does FALSE mean in the context of equations?

Back

FALSE means that the equation does not hold valid for the given value.

Front

If x = 5 in the equation x + 7 = 15, is it a solution?

Back

No, because 5 + 7 = 12, which is not equal to 15.

Front

What is the first step to solve the equation 7 = 13 - n?

Back

Rearrange the equation to isolate n.

Front

What is the solution to the equation 3x = 18 when x = 6?

Back

The solution is TRUE, because 3(6) = 18.