2(k+1)+2(1-9k)=y

Solution for 2(k+1)+2(1-9k)=y equation:

Simplifying
2(k + 1) + 2(1 + -9k) = y

Reorder the terms:
2(1 + k) + 2(1 + -9k) = y
(1 * 2 + k * 2) + 2(1 + -9k) = y
(2 + 2k) + 2(1 + -9k) = y
2 + 2k + (1 * 2 + -9k * 2) = y
2 + 2k + (2 + -18k) = y

Reorder the terms:
2 + 2 + 2k + -18k = y

Combine like terms: 2 + 2 = 4
4 + 2k + -18k = y

Combine like terms: 2k + -18k = -16k
4 + -16k = y

Solving
4 + -16k = y

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -16k = -4 + y

Combine like terms: 4 + -4 = 0
0 + -16k = -4 + y
-16k = -4 + y

Divide each side by '-16'.
k = 0.25 + -0.0625y

Simplifying
k = 0.25 + -0.0625y