2(x-3)-21=5-2x

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Solution for 2(x-3)-21=5-2x equation:


Simplifying
2(x + -3) + -21 = 5 + -2x

Reorder the terms:
2(-3 + x) + -21 = 5 + -2x
(-3 * 2 + x * 2) + -21 = 5 + -2x
(-6 + 2x) + -21 = 5 + -2x

Reorder the terms:
-6 + -21 + 2x = 5 + -2x

Combine like terms: -6 + -21 = -27
-27 + 2x = 5 + -2x

Solving
-27 + 2x = 5 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-27 + 2x + 2x = 5 + -2x + 2x

Combine like terms: 2x + 2x = 4x
-27 + 4x = 5 + -2x + 2x

Combine like terms: -2x + 2x = 0
-27 + 4x = 5 + 0
-27 + 4x = 5

Add '27' to each side of the equation.
-27 + 27 + 4x = 5 + 27

Combine like terms: -27 + 27 = 0
0 + 4x = 5 + 27
4x = 5 + 27

Combine like terms: 5 + 27 = 32
4x = 32

Divide each side by '4'.
x = 8

Simplifying
x = 8

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