Y(1)+3y(1-1)=e(1)

Solution for Y(1)+3y(1-1)=e(1) equation:

Simplifying
Y(1) + 3y(1 + -1) = e(1)

Reorder the terms for easier multiplication:
1Y + 3y(1 + -1) = e(1)

Combine like terms: 1 + -1 = 0
1Y + 3y(0) = e(1)

Reorder the terms for easier multiplication:
1Y + 3 * 0y = e(1)

Multiply 3 * 0
1Y + 0y = e(1)

Anything times zero is zero.
1Y + 0y = e(1)

Reorder the terms:
0 + 1Y = e(1)
Remove the zero:
1Y = e(1)

Reorder the terms for easier multiplication:
1Y = 1e

Solving
1Y = 1e

Solving for variable 'Y'.

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

Divide each side by '1'.
Y = 1e

Simplifying
Y = 1e