2(x+2)=-21

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


Simplifying
2(x + 2) = -21

Reorder the terms:
2(2 + x) = -21
(2 * 2 + x * 2) = -21
(4 + 2x) = -21

Solving
4 + 2x = -21

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = -21 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -21 + -4
2x = -21 + -4

Combine like terms: -21 + -4 = -25
2x = -25

Divide each side by '2'.
x = -12.5

Simplifying
x = -12.5

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