1 Answer

Ricardo Ferreira · Answer 1 · 2023-12-11T16:01:59+0000

Always do multiplication first.

-4(-3d-3) --> 12d +12

Now combine like terms:

Left Side: -9d+12d+12 --> 3d +12

Right Side: 12d+6

Bring the two sides together

3d+12
$\geq$ 12d+6

Combine like terms even more

6
$\geq$ 9d

9d
$\leq$ 6

d
$\leq$
(2)/(3)

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