(78.6)-2x(10.9)=56.8

Solution for (78.6)-2x(10.9)=56.8 equation:

Simplifying
(78.6) + -2x(10.9) = 56.8
78.6 + -2x(10.9) = 56.8

Reorder the terms for easier multiplication:
78.6 + -2 * 10.9x = 56.8

Multiply -2 * 10.9
78.6 + -21.8x = 56.8

Solving
78.6 + -21.8x = 56.8

Solving for variable 'x'.

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

Add '-78.6' to each side of the equation.
78.6 + -78.6 + -21.8x = 56.8 + -78.6

Combine like terms: 78.6 + -78.6 = 0.0
0.0 + -21.8x = 56.8 + -78.6
-21.8x = 56.8 + -78.6

Combine like terms: 56.8 + -78.6 = -21.8
-21.8x = -21.8

Divide each side by '-21.8'.
x = 1

Simplifying
x = 1