-2(y-3)=10+4s

Solution for -2(y-3)=10+4s equation:

Simplifying
-2(y + -3) = 10 + 4s

Reorder the terms:
-2(-3 + y) = 10 + 4s
(-3 * -2 + y * -2) = 10 + 4s
(6 + -2y) = 10 + 4s

Solving
6 + -2y = 10 + 4s

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + -2y = 10 + -6 + 4s

Combine like terms: 6 + -6 = 0
0 + -2y = 10 + -6 + 4s
-2y = 10 + -6 + 4s

Combine like terms: 10 + -6 = 4
-2y = 4 + 4s

Divide each side by '-2'.
y = -2 + -2s

Simplifying
y = -2 + -2s