Question

Which is a solution to x - 3x + 9 equals negative 27

Answer 1

x = 18

Explanation:

`\sf x - 3x+9= - 27`

Let's first combine like terms.

`\sf - 2x+9= - 27`

Subtract 9 from both sides.

`\sf - 2x= - 27 - 9`

`\sf - 2x= - 36`

Divide both sides by −2.

`\sf x=18`