1=1200+(-1.2y)

Solution for 1=1200+(-1.2y) equation:

Simplifying
1 = 1200 + (-1.2y)

Solving
1 = 1200 + (-1.2y)

Solving for variable 'y'.

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

Add '(1.2y)' to each side of the equation.
1 + (1.2y) = 1200 + (-1.2y) + (1.2y)

Combine like terms: (-1.2y) + (1.2y) = 0.0
1 + (1.2y) = 1200 + 0.0
1 + (1.2y) = 1200

Add '-1' to each side of the equation.
1 + -1 + (1.2y) = 1200 + -1

Combine like terms: 1 + -1 = 0
0 + (1.2y) = 1200 + -1
(1.2y) = 1200 + -1

Combine like terms: 1200 + -1 = 1199
(1.2y) = 1199

Divide each side by '1.2'.
y = 999.1666667

Simplifying
y = 999.1666667