3-3(-6)=y

Solution for 3-3(-6)=y equation:

Simplifying
3 + -3(-6) = y

Multiply -3 * -6
3 + 18 = y

Combine like terms: 3 + 18 = 21
21 = y

Solving
21 = 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.
21 + -1y = y + -1y

Combine like terms: y + -1y = 0
21 + -1y = 0

Add '-21' to each side of the equation.
21 + -21 + -1y = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -1y = 0 + -21
-1y = 0 + -21

Combine like terms: 0 + -21 = -21
-1y = -21

Divide each side by '-1'.
y = 21

Simplifying
y = 21