200-15(12)=y

Solution for 200-15(12)=y equation:

Simplifying
200 + -15(12) = y

Multiply -15 * 12
200 + -180 = y

Combine like terms: 200 + -180 = 20
20 = y

Solving
20 = 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.
20 + -1y = y + -1y

Combine like terms: y + -1y = 0
20 + -1y = 0

Add '-20' to each side of the equation.
20 + -20 + -1y = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = 0 + -20
-1y = 0 + -20

Combine like terms: 0 + -20 = -20
-1y = -20

Divide each side by '-1'.
y = 20

Simplifying
y = 20