-78.3=.9x

Solution for -78.3=.9x equation:

Simplifying
-78.3 = 0.9x

Solving
-78.3 = 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
-78.3 + -0.9x = 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
-78.3 + -0.9x = 0.0

Add '78.3' to each side of the equation.
-78.3 + 78.3 + -0.9x = 0.0 + 78.3

Combine like terms: -78.3 + 78.3 = 0.0
0.0 + -0.9x = 0.0 + 78.3
-0.9x = 0.0 + 78.3

Combine like terms: 0.0 + 78.3 = 78.3
-0.9x = 78.3

Divide each side by '-0.9'.
x = -87

Simplifying
x = -87