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Svetradugi [14.3K]
3 years ago
8

What is 3/5(15k+10)=12k-9 in steps

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0
<em>multiply both sides by 5  </em>        3(15k+10)=5(12k-9)     
<em>get rid of the brackets</em>             45k+30=60k-45
<em>take away 45k to both sides</em>    30=15k-45
<em>plus 45 to both sides</em>               75=15k
<em>divide both by 15</em>                     k=5
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Step-by-step explanation:

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<u>Hello:</u>

<u />

<u>Okay, this problem should be taken in a series of steps</u>:

<u>What is the slope's formula?</u>

  \rm\hookrightarrow  \frac{y_2-y_1}{x_2-x_1}

  • (x₁,y₁) -- first point
  • (x₂,y₂) -- second point

<u>Okay, now let's use this knowledge</u>  

10. (5,-19) and (-5,21)

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11. (12,1) and (12, -1)

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12. (8,7) and (4,7)

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<u>Answer:</u>

  • Question 10: -4
  • Question 11: undefined
  • Question 12: 0

Hopefully that helps!

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