What is the answer to 1/3 (9k+12)=15 ?

The answer to 1/3 (9k+12)=15 is k= 11/3

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1/3 (9k+12)=15

\frac{1}{3} (9 k + 12) = 15

k = \frac{11}{3}

Decimal Notation

k = 3.66666 \dots

Solution steps

\frac{1}{3} (9 k + 12) = 15

Multiply both sides by

3

9 k + 12 = 45

Move

12

to the right side

9 k = 33

Divide both sides by

9

k = \frac{11}{3}

x, 4 x - y = 12

5 x + 3 = 8 x - 7

3 x + 7 = 14 + 3 x

x, 4 x + 3 y = - 3

2 (x - 5) = 3 (x + 1) - 3