-2(9)-25=y

Solution for -2(9)-25=y equation:

Simplifying
-2(9) + -25 = y

Multiply -2 * 9
-18 + -25 = y

Combine like terms: -18 + -25 = -43
-43 = y

Solving
-43 = 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.
-43 + -1y = y + -1y

Combine like terms: y + -1y = 0
-43 + -1y = 0

Add '43' to each side of the equation.
-43 + 43 + -1y = 0 + 43

Combine like terms: -43 + 43 = 0
0 + -1y = 0 + 43
-1y = 0 + 43

Combine like terms: 0 + 43 = 43
-1y = 43

Divide each side by '-1'.
y = -43

Simplifying
y = -43