Given that:
To find:
Solution:
We'll have to make x the subject.
First, write the equation as it is.
We'll have to cancel -4, To cancel -4 we'll have to +4 to 20 because the opposite of Subtraction is addition.
Now, we'll have to cancel 3, To cancel 3 we'll have to divide 24 by 3, because the opposite of multiplication is division.
Workout
To check your answer is correct:
Therefore, the value of x is 8.