Question

Please help math experts need your help 15 points !

For number 2 the Awnser choices are

3
-3
5
-5

Answer 1

12 = -3 - 3x

Explanation:

Same concept as the last question I answered. First, let's derive a formula from the given model. So we have 3 negative x and 3 negative 1 which equal to 12 positive ones, this can be written as:

-3x - 3 = 12

which can be rewritten as

12 = -3 - 3x