-0.7x+0.1x+6=-3

Solution for -0.7x+0.1x+6=-3 equation:

Simplifying
-0.7x + 0.1x + 6 = -3

Reorder the terms:
6 + -0.7x + 0.1x = -3

Combine like terms: -0.7x + 0.1x = -0.6x
6 + -0.6x = -3

Solving
6 + -0.6x = -3

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -0.6x = -3 + -6

Combine like terms: 6 + -6 = 0
0 + -0.6x = -3 + -6
-0.6x = -3 + -6

Combine like terms: -3 + -6 = -9
-0.6x = -9

Divide each side by '-0.6'.
x = 15

Simplifying
x = 15