(12)(9)=d

Solution for (12)(9)=d equation:

Simplifying
(12)(9) = d

Multiply 12 * 9
108 = d

Solving
108 = d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
108 + -1d = d + -1d

Combine like terms: d + -1d = 0
108 + -1d = 0

Add '-108' to each side of the equation.
108 + -108 + -1d = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -1d = 0 + -108
-1d = 0 + -108

Combine like terms: 0 + -108 = -108
-1d = -108

Divide each side by '-1'.
d = 108

Simplifying
d = 108