The steps below show the incomplete solution to find the value of x for the equation
7x − 3x − 4 = −1 + 21:

step 1: 7x − 3x − 4 = −1 + 21
step 2: 7x − 3x − 4 = 20
step 3: 4x − 4 = 20

which of these is most likely the next step?

4x = 24
4x = 16
4x = 5
4x = 80

4x = 24

Step-by-step explanation:

Step 1: 7x − 3x − 4 = −1 + 21

Step 2: 7x − 3x − 4 = 20

Step 3: 4x − 4 = 20

ADD 4 + 20 because we are doing inverse operations

Step 4: 4x =24

Have a great day!

BTW it was right on the FLVS test:)

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v