Ronnie11111 Ronnie11111
  • 18-08-2017
  • Mathematics
contestada

Substituting x-4=y and -5y+8x=29

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trishinada63
trishinada63 trishinada63
  • 18-08-2017
The answer is x=3. Work shown in the photo above!
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bensthatch bensthatch
  • 18-08-2017
-5(x-4) +8x=29
-5x+20+8x=29
3x+20=29
3x=9
X=3
Answer Link

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