4+2(1+x)=-1

Solution for 4+2(1+x)=-1 equation:

Simplifying
4 + 2(1 + x) = -1
4 + (1 * 2 + x * 2) = -1
4 + (2 + 2x) = -1

Combine like terms: 4 + 2 = 6
6 + 2x = -1

Solving
6 + 2x = -1

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 + 2x = -1 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = -1 + -6
2x = -1 + -6

Combine like terms: -1 + -6 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5