-(x+1)=-2(5-8)

Solution for -(x+1)=-2(5-8) equation:

Simplifying
-1(x + 1) = -2(5 + -8)

Reorder the terms:
-1(1 + x) = -2(5 + -8)
(1 * -1 + x * -1) = -2(5 + -8)
(-1 + -1x) = -2(5 + -8)

Combine like terms: 5 + -8 = -3
-1 + -1x = -2(-3)

Multiply -2 * -3
-1 + -1x = 6

Solving
-1 + -1x = 6

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -1x = 6 + 1

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

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

Divide each side by '-1'.
x = -7

Simplifying
x = -7