Question

3. 12 +5W - 4W = 15A) w=1B) w=3C) w=5D) w=4

Answer 1

`12+5W-4W=15`

First, we have to add alike terms:

`12+W=15`

Subtract 12 from both sides of the equation:

`12+W-12=15-12`
`W=3`

Correct option: B) w=3