200(-1)-15=y

Solution for 200(-1)-15=y equation:

Simplifying
200(-1) + -15 = y

Multiply 200 * -1
-200 + -15 = y

Combine like terms: -200 + -15 = -215
-215 = y

Solving
-215 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-215 + -1y = y + -1y

Combine like terms: y + -1y = 0
-215 + -1y = 0

Add '215' to each side of the equation.
-215 + 215 + -1y = 0 + 215

Combine like terms: -215 + 215 = 0
0 + -1y = 0 + 215
-1y = 0 + 215

Combine like terms: 0 + 215 = 215
-1y = 215

Divide each side by '-1'.
y = -215

Simplifying
y = -215