cathrina07
cathrina07 cathrina07
  • 03-05-2021
  • Mathematics
contestada

Is d = -4 a solution to the equation 3(d + 12) = 8 - 4d ?​

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vthisted vthisted
  • 03-05-2021
No because...

3(d+12) =8

Distribute the 3.

3d+36=8

Subtract the 36.

3d = -28

Divide by 3 to isolate d.

d = -28/3 or 9.33
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