9*2.5=a

Solution for 9*2.5=a equation:

Simplifying
9 * 2.5 = a

Multiply 9 * 2.5
22.5 = a

Solving
22.5 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
22.5 + -1a = a + -1a

Combine like terms: a + -1a = 0
22.5 + -1a = 0

Add '-22.5' to each side of the equation.
22.5 + -22.5 + -1a = 0 + -22.5

Combine like terms: 22.5 + -22.5 = 0.0
0.0 + -1a = 0 + -22.5
-1a = 0 + -22.5

Combine like terms: 0 + -22.5 = -22.5
-1a = -22.5

Divide each side by '-1'.
a = 22.5

Simplifying
a = 22.5