63=3(1-2y)

Solution for 63=3(1-2y) equation:

Simplifying
63 = 3(1 + -2y)
63 = (1 * 3 + -2y * 3)
63 = (3 + -6y)

Solving
63 = 3 + -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
63 + 6y = 3 + -6y + 6y

Combine like terms: -6y + 6y = 0
63 + 6y = 3 + 0
63 + 6y = 3

Add '-63' to each side of the equation.
63 + -63 + 6y = 3 + -63

Combine like terms: 63 + -63 = 0
0 + 6y = 3 + -63
6y = 3 + -63

Combine like terms: 3 + -63 = -60
6y = -60

Divide each side by '6'.
y = -10

Simplifying
y = -10