cindyreynoso14 cindyreynoso14
  • 16-09-2017
  • Mathematics
contestada

whats the answer to 4(2r+8)=88

Respuesta :

paraflack
paraflack paraflack
  • 16-09-2017
4(2r+8)=88
8r+32=88
8r=88-32
8r=56
r=56/8
r=7
Answer Link
Rythm
Rythm Rythm
  • 16-09-2017
Undo multiplication by 4 by dividing each side by 4.

%284%282r%2B8%29%29%2F4=88%2F4
2r%2B8=22

Next, undo the addition of 8 by subtracting 8 from each side:


2r%2B8-8=22-8
2r=14

Finally, undo the multiplication by 2 by dividing both sides by 2:
r=7
Answer Link

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