x-21+2x=-5-2x-9

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Solution for x-21+2x=-5-2x-9 equation:


Simplifying
x + -21 + 2x = -5 + -2x + -9

Reorder the terms:
-21 + x + 2x = -5 + -2x + -9

Combine like terms: x + 2x = 3x
-21 + 3x = -5 + -2x + -9

Reorder the terms:
-21 + 3x = -5 + -9 + -2x

Combine like terms: -5 + -9 = -14
-21 + 3x = -14 + -2x

Solving
-21 + 3x = -14 + -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.
-21 + 3x + 2x = -14 + -2x + 2x

Combine like terms: 3x + 2x = 5x
-21 + 5x = -14 + -2x + 2x

Combine like terms: -2x + 2x = 0
-21 + 5x = -14 + 0
-21 + 5x = -14

Add '21' to each side of the equation.
-21 + 21 + 5x = -14 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = -14 + 21
5x = -14 + 21

Combine like terms: -14 + 21 = 7
5x = 7

Divide each side by '5'.
x = 1.4

Simplifying
x = 1.4

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