catwell1115
catwell1115 catwell1115
  • 11-05-2017
  • Mathematics
contestada

the substitution property of equality allows you to say that if 7j+14k=28, and j=2, then

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lundgrend17
lundgrend17 lundgrend17
  • 11-05-2017
7(2)+14k=28
14+14k=28
-14       -14
14k=14
Divide by 1.
k=1
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