f(2y)=4(2y)+2

Solution for f(2y)=4(2y)+2 equation:

Simplifying
f(2y) = 4(2y) + 2

Remove parenthesis around (2y)
f * 2y = 4(2y) + 2

Reorder the terms for easier multiplication:
2f * y = 4(2y) + 2

Multiply f * y
2fy = 4(2y) + 2

Remove parenthesis around (2y)
2fy = 4 * 2y + 2

Multiply 4 * 2
2fy = 8y + 2

Reorder the terms:
2fy = 2 + 8y

Solving
2fy = 2 + 8y

Solving for variable 'f'.

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

Divide each side by '2y'.
f = y-1 + 4

Simplifying
f = y-1 + 4

Reorder the terms:
f = 4 + y-1