51=x(1)+y

Solution for 51=x(1)+y equation:

Simplifying
51 = x(1) + y

Reorder the terms for easier multiplication:
51 = 1x + y

Solving
51 = 1x + y

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
51 + -1x = 1x + -1x + y

Combine like terms: 1x + -1x = 0
51 + -1x = 0 + y
51 + -1x = y

Add '-51' to each side of the equation.
51 + -51 + -1x = -51 + y

Combine like terms: 51 + -51 = 0
0 + -1x = -51 + y
-1x = -51 + y

Divide each side by '-1'.
x = 51 + -1y

Simplifying
x = 51 + -1y