-51=a*18

Solution for -51=a*18 equation:

Simplifying
-51 = a * 18

Reorder the terms for easier multiplication:
-51 = 18a

Solving
-51 = 18a

Solving for variable 'a'.

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

Add '-18a' to each side of the equation.
-51 + -18a = 18a + -18a

Combine like terms: 18a + -18a = 0
-51 + -18a = 0

Add '51' to each side of the equation.
-51 + 51 + -18a = 0 + 51

Combine like terms: -51 + 51 = 0
0 + -18a = 0 + 51
-18a = 0 + 51

Combine like terms: 0 + 51 = 51
-18a = 51

Divide each side by '-18'.
a = -2.833333333

Simplifying
a = -2.833333333