2(1+4y)-y=5.5

Solution for 2(1+4y)-y=5.5 equation:

Simplifying
2(1 + 4y) + -1y = 5.5
(1 * 2 + 4y * 2) + -1y = 5.5
(2 + 8y) + -1y = 5.5

Combine like terms: 8y + -1y = 7y
2 + 7y = 5.5

Solving
2 + 7y = 5.5

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 7y = 5.5 + -2

Combine like terms: 2 + -2 = 0
0 + 7y = 5.5 + -2
7y = 5.5 + -2

Combine like terms: 5.5 + -2 = 3.5
7y = 3.5

Divide each side by '7'.
y = 0.5

Simplifying
y = 0.5