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horserider142001 horserider142001
  • 14-01-2016
  • Mathematics
Answered

what is 4x + 4=9x-36

Verified Answer :

faithgc22
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 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




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