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5d + 2 + 2d 51

Treat the inequality signs ( ) like an equals. (=)

7d + 2 51

7d 49

d 49/7

d 7

NB You didn't specify which way the inequality is . Hence .' ' less than or greater than .

Verification.

When d = 6

Then d < 7

When d = 8 Then d > 7

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lenpollock

Lvl 17
3d ago

What else can I help you with?