A man diving from a platform 30 feet above the water descends 18 feet below the surface. He then swims to the surface how far has he traveled altogether?
A. 48 feet
B. 56 feet
C. 66 feet
If you can please provide the answers to the whole test. Thanks!

correct answers below:

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: