Question

Mr. Pham wrote the equation below on the board.

Answer 1

Answer:

  5.5

Step-by-step explanation:

Given:

  18 -7x = -20.5

We can find x by subtracting 18, then dividing by the coefficient of x. (This is known as a 2-step equation.)

  -7x = -38.5 . . . . . subtract 18 from both sides

  x = -38.5/-7 = 5.5 . . . . .divide by -7

The value of x is 5.5.

Answer 2

Answer:

5 1/2

Step-by-step explanation:

If you know simple math you will be able to calculate this. This person is right. Those of you looking for a fractional answer can simply convert 5.5 into a fraction. 5.5 = 5 1/2. don't give people bad ratings b/c of this.

5.5 is also the answer!