3(2-7x)-2x=-86

Solution for 3(2-7x)-2x=-86 equation:

Simplifying
3(2 + -7x) + -2x = -86
(2 * 3 + -7x * 3) + -2x = -86
(6 + -21x) + -2x = -86

Combine like terms: -21x + -2x = -23x
6 + -23x = -86

Solving
6 + -23x = -86

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 + -23x = -86 + -6

Combine like terms: 6 + -6 = 0
0 + -23x = -86 + -6
-23x = -86 + -6

Combine like terms: -86 + -6 = -92
-23x = -92

Divide each side by '-23'.
x = 4

Simplifying
x = 4