-2(2+1)=x+5

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

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

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

Multiply -2 * 3
-6 = x + 5

Reorder the terms:
-6 = 5 + x

Solving
-6 = 5 + 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 + -1x = 5 + x + -1x

Combine like terms: x + -1x = 0
-6 + -1x = 5 + 0
-6 + -1x = 5

Add '6' to each side of the equation.
-6 + 6 + -1x = 5 + 6

Combine like terms: -6 + 6 = 0
0 + -1x = 5 + 6
-1x = 5 + 6

Combine like terms: 5 + 6 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11