6+9X=86+X

Solution for 6+9X=86+X equation:

Simplifying
6 + 9X = 86 + X

Solving
6 + 9X = 86 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
6 + 9X + -1X = 86 + X + -1X

Combine like terms: 9X + -1X = 8X
6 + 8X = 86 + X + -1X

Combine like terms: X + -1X = 0
6 + 8X = 86 + 0
6 + 8X = 86

Add '-6' to each side of the equation.
6 + -6 + 8X = 86 + -6

Combine like terms: 6 + -6 = 0
0 + 8X = 86 + -6
8X = 86 + -6

Combine like terms: 86 + -6 = 80
8X = 80

Divide each side by '8'.
X = 10

Simplifying
X = 10