12(4.5)=x

Solution for 12(4.5)=x equation:

Simplifying
12(4.5) = x

Multiply 12 * 4.5
54 = x

Solving
54 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
54 + -1x = x + -1x

Combine like terms: x + -1x = 0
54 + -1x = 0

Add '-54' to each side of the equation.
54 + -54 + -1x = 0 + -54

Combine like terms: 54 + -54 = 0
0 + -1x = 0 + -54
-1x = 0 + -54

Combine like terms: 0 + -54 = -54
-1x = -54

Divide each side by '-1'.
x = 54

Simplifying
x = 54