15-3x=x-19

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


Simplifying
15 + -3x = x + -19

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

Solving
15 + -3x = -19 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15 + -3x + -1x = -19 + x + -1x

Combine like terms: -3x + -1x = -4x
15 + -4x = -19 + x + -1x

Combine like terms: x + -1x = 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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