-5x-15=25-x

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Solution for -5x-15=25-x equation:


Simplifying
-5x + -15 = 25 + -1x

Reorder the terms:
-15 + -5x = 25 + -1x

Solving
-15 + -5x = 25 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-15 + -5x + x = 25 + -1x + x

Combine like terms: -5x + x = -4x
-15 + -4x = 25 + -1x + x

Combine like terms: -1x + x = 0
-15 + -4x = 25 + 0
-15 + -4x = 25

Add '15' to each side of the equation.
-15 + 15 + -4x = 25 + 15

Combine like terms: -15 + 15 = 0
0 + -4x = 25 + 15
-4x = 25 + 15

Combine like terms: 25 + 15 = 40
-4x = 40

Divide each side by '-4'.
x = -10

Simplifying
x = -10

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