Josh simplified 4x - 8x ÷ 2 and said the answer was -2x. What was josh's error? What should his answer have been?

Question

asked Apr 15, 2020 131k views

1 Answer

Bojangle · Answer 1 · 2020-04-20T13:22:52+0000

Answer:

see explanation

Explanation:

Given

4x - 8x ÷ 2

Under the rules of PEMDAS , division must be performed before subtraction.

Hence

4x - 8x ÷ 2 = 4x - 4x ← dividing - 8x by 2, then

4x - 4x = 0 ← correct answer