Simplifying
4x + 6 = -10

Reorder the terms:
6 + 4x = -10

Solving
6 + 4x = -10

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 + 4x = -10 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = -10 + -6
4x = -10 + -6

Combine like terms: -10 + -6 = -16
4x = -16

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

Simplifying
x = -4