Question

9 + k + 5 = 21
pls help

Answer 1

Hi!

`\tt{9+k+5=21}`

Step 1: Combine like terms.

`\tt{9+5+k=21}`

`\tt{14+k=21}`

Step 2: Subtract 14 from both sides.

`\tt{k=7}`
`\checkmark`

Have a great day!

Hope that helps. :)

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Answer 2

k= 7

Explanation:

First let's add like terms: a+b+a=c: a²+b=c

k+9+5=21

k+14=21

Subtract 14 from both sides of the equation

k+14-14=21-14

K=7