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AveGali [126]
2 years ago
7

Solve for d. -2 – 9d = -10d - 9

Mathematics
1 answer:
geniusboy [140]2 years ago
7 0

Answer:

d = -9

Step-by-step explanation:

-2 - 9d = -10d - 9 (combine liked terms)

+2                    +2  (added two to each side)

-9d = -10d - 9  (combined liked terms again for d this time)

+10d   +10d

1d = -9   (isolate x so divde one from each side)

d = -9

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