Question

Be sure to show your work and solve for f: 12 = f - 13-2

Answer 1

27

Explanation:

12=f-13-2

12=f-15

12+15=(f-15)+15

27=f-15+15

27=f

f=27

Answer 2

f =27

Explanation:

`12 = f - 13-2`

Collect like terms and simplify

`12+13+2 = f\\27 =f`

Switch sides

`f = 27`