x+15=-3x-19

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Solution for x+15=-3x-19 equation:


Simplifying
x + 15 = -3x + -19

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

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

Solving
15 + x = -19 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
15 + x + 3x = -19 + -3x + 3x

Combine like terms: x + 3x = 4x
15 + 4x = -19 + -3x + 3x

Combine like terms: -3x + 3x = 0
15 + 4x = -19 + 0
15 + 4x = -19

Add '-15' to each side of the equation.
15 + -15 + 4x = -19 + -15

Combine like terms: 15 + -15 = 0
0 + 4x = -19 + -15
4x = -19 + -15

Combine like terms: -19 + -15 = -34
4x = -34

Divide each side by '4'.
x = -8.5

Simplifying
x = -8.5

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