How do you solve #3x + 6 = 21#?
Following the correct rules in math:
Subtract both sides with "-6" to isolate 3x, making the equation looks like this:
Divide both sides by 3 to come up with x, making the equation:
Final answer is:
This one does not follow the correct rules in math but this is very helpful for "limited time" exams.
Transfer +6 to other side of the equation, converting the sign to opposite one making +6 to -6
Divide it by the number with