3 years ago

0.5 (7d+4) = 7 - 1.5d

1 answer:

6 0

0.5 times 7d equals 3.5d and 4 times 0.5 equals 2

3.5d+2= 7-1.5d

Then add the 1.5d to 3.5d, subtract the 2 to the 7

5d= 5

Divide the five from 5d to 5

d= 1

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