How do you solve $9 - 3x = 36$ ?

Question

3149 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-01-09T16:51:38

x = -9

Add 3x to both sides of the equation and also subtract 36 from both sides. One gets -27 = 3x or, equivalently, -9 = x.

How do you solve 9 - 3x = 369 - 3x = 36?