-1.17=a+10.4

Solution for -1.17=a+10.4 equation:

Simplifying
-1.17 = a + 10.4

Reorder the terms:
-1.17 = 10.4 + a

Solving
-1.17 = 10.4 + 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.
-1.17 + -1a = 10.4 + a + -1a

Combine like terms: a + -1a = 0
-1.17 + -1a = 10.4 + 0
-1.17 + -1a = 10.4

Add '1.17' to each side of the equation.
-1.17 + 1.17 + -1a = 10.4 + 1.17

Combine like terms: -1.17 + 1.17 = 0.00
0.00 + -1a = 10.4 + 1.17
-1a = 10.4 + 1.17

Combine like terms: 10.4 + 1.17 = 11.57
-1a = 11.57

Divide each side by '-1'.
a = -11.57

Simplifying
a = -11.57