cathrina07 cathrina07

03-05-2021
Mathematics

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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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