horserider142001
horserider142001
14-01-2016
Mathematics
contestada
what is 4x + 4=9x-36
Respuesta :
faithgc22
faithgc22
14-01-2016
4x + 4 = 9x - 36
+36 +36
______________
4x + 40 = 9x
-4x -4x
___________
40 = 5x
--- ----
5 5
________
8 = x
x = 8
Answer Link
ayah1
ayah1
14-01-2016
4x + 4 = 9x - 36 ( - 4 each side)
4x = 9x - 36 - 4 ( - 9x each side)
4x - 9x = - 40
(4 - 9)x = - 40
- 5x = - 40 (divide -5 from each side)
x = -40 / -5
x = 8
answer
Answer Link
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