Solve each equation. d(d+3)-d(d-4)=9d-16

Mathematics

1 answer:

likoan [24]3 years ago

3 0

Answer:

2d+3d-2d+4d= 9d-16

2d is cancelled

3d+4d=9d-16

7d=9d-16

16=9d-7d

16=2

16/2

d=8

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