-(2x+5)=-21

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Solution for -(2x+5)=-21 equation: 


Simplifying
-1(2x + 5) = -21

Reorder the terms:
-1(5 + 2x) = -21
(5 * -1 + 2x * -1) = -21
(-5 + -2x) = -21

Solving
-5 + -2x = -21

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2x = -21 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = -21 + 5
-2x = -21 + 5

Combine like terms: -21 + 5 = -16
-2x = -16

Divide each side by '-2'.
x = 8

Simplifying
x = 8

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