6-x+15=-5x

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Solution for 6-x+15=-5x equation:


Simplifying
6 + -1x + 15 = -5x

Reorder the terms:
6 + 15 + -1x = -5x

Combine like terms: 6 + 15 = 21
21 + -1x = -5x

Solving
21 + -1x = -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
21 + -1x + 5x = -5x + 5x

Combine like terms: -1x + 5x = 4x
21 + 4x = -5x + 5x

Combine like terms: -5x + 5x = 0
21 + 4x = 0

Add '-21' to each side of the equation.
21 + -21 + 4x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 4x = 0 + -21
4x = 0 + -21

Combine like terms: 0 + -21 = -21
4x = -21

Divide each side by '4'.
x = -5.25

Simplifying
x = -5.25

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