Question

If k + 7 = 15, find the value of 9k – 50.


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Answer 1

Answer:

22

Step-by-step explanation:

k = 15-7

k=8

9×8 -50 = 72-50 =22

Answer 2

Step-by-step explanation:

$\sf\LARGE k + 7 = 15 \\\sf\LARGE k = 15 - 7 \\\bf\LARGE K = 8$

$\red{\mathtt {put \: the \: value \: of \: k \: in \: 9k - 50}}$

$\sf\LARGE9k - 50 \\ =\sf\LARGE 9 \times 8 - 50 \\ =\sf\LARGE 72 - 50 \\ = \sf\LARGE\blue{22}$