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Rzqust [24]
3 years ago
5

Back to my question. I have this problem that I cant solve.

Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0

Answer:

Step-by-step explanation:

-21-9k=-8(6k+3)

-21-9k= 48k+24

+9k          +9k

-21=57k+24

-24         -24

-45=57k

divide 57 by -45

k= -1.2

idk if that helps, sorry

Verizon [17]3 years ago
4 0

<u>Here's how to solve your equation step by step:</u>

−21−9k=−8(6k+3)

<u>Step 1: Simplify both sides of the equation. </u>

−21−9k=−8(6k+3)

−21+−9k=(−8)(6k)+(−8)(3) (Distribute)

−21+−9k=−48k+−24

−9k−21=−48k−24

<u>Step 2: Add 48k to both sides. </u>

−9k−21+48k=−48k−24+48k

39k−21=−24

<u>Step 3: Add 21 to both sides. </u>

39k−21+21=−24+21

39k=−3

<u>Step 4: Divide both sides by 39. </u>

39k/39 = -3/39

Here's the answer: -1/13 or -0.08.

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