How do I solve x/7 = -4?
回答 (13)
✔ 最佳答案
x = (- 4)(7)
x = - 28
x/7 = - 4
x = - 4 * 7
x = - 28
Answer: x = - 28
Proof (is very, very obvious):
- 28/7 = - 4
- 4 = - 4
times 7 by both sides
x/7 times 7= -4 times 7
x=-28
This Site Might Help You.
RE:
How do I solve x/7 = -4?
x/7 = -4
x/7 * 7 = -4*7 (multiply each side of equation by 7 to leave just x..)
x = -28
Multiply both sides by 7 to cancel.
x/7 = -4
7(x/7) = 7(-4)
x = -28
take 7 times -4 which = -28
收錄日期: 2021-05-01 10:05:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080210075603AAzL4JR
檢視 Wayback Machine 備份