4x-(x+5)-15=x

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Solution for 4x-(x+5)-15=x equation:


Simplifying
4x + -1(x + 5) + -15 = x

Reorder the terms:
4x + -1(5 + x) + -15 = x
4x + (5 * -1 + x * -1) + -15 = x
4x + (-5 + -1x) + -15 = x

Reorder the terms:
-5 + -15 + 4x + -1x = x

Combine like terms: -5 + -15 = -20
-20 + 4x + -1x = x

Combine like terms: 4x + -1x = 3x
-20 + 3x = x

Solving
-20 + 3x = 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.
-20 + 3x + -1x = x + -1x

Combine like terms: 3x + -1x = 2x
-20 + 2x = x + -1x

Combine like terms: x + -1x = 0
-20 + 2x = 0

Add '20' to each side of the equation.
-20 + 20 + 2x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 2x = 0 + 20
2x = 0 + 20

Combine like terms: 0 + 20 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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