What is the answer to 6(1-2k)-4k=21-k ?

The answer to 6(1-2k)-4k=21-k is k=-1

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6(1-2k)-4k=21-k

6 (1 - 2 k) - 4 k = 21 - k

k = - 1

Solution steps

6 (1 - 2 k) - 4 k = 21 - k

Expand

6 (1 - 2 k) : 6 - 12 k

6 - 12 k - 4 k = 21 - k

Add similar elements:

- 12 k - 4 k = - 16 k

6 - 16 k = 21 - k

Move

6

to the right side

- 16 k = - k + 15

Move

k

to the left side

- 15 k = 15

Divide both sides by

- 15

k = - 1

\frac{5040}{823543} \cdot 1

lo g_{2^{500}} (2^{1000})

(\frac{x ( x + 1 )}{2})^{2}

4 t^{2} - 9 s^{2}

\frac{1}{2} \cdot 9.8