x+21+2x=-15-2x-19

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Solution for x+21+2x=-15-2x-19 equation:


Simplifying
x + 21 + 2x = -15 + -2x + -19

Reorder the terms:
21 + x + 2x = -15 + -2x + -19

Combine like terms: x + 2x = 3x
21 + 3x = -15 + -2x + -19

Reorder the terms:
21 + 3x = -15 + -19 + -2x

Combine like terms: -15 + -19 = -34
21 + 3x = -34 + -2x

Solving
21 + 3x = -34 + -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 = -34 + -2x + 2x

Combine like terms: 3x + 2x = 5x
21 + 5x = -34 + -2x + 2x

Combine like terms: -2x + 2x = 0
21 + 5x = -34 + 0
21 + 5x = -34

Add '-21' to each side of the equation.
21 + -21 + 5x = -34 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = -34 + -21
5x = -34 + -21

Combine like terms: -34 + -21 = -55
5x = -55

Divide each side by '5'.
x = -11

Simplifying
x = -11

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