x-15=4x+6

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Solution for x-15=4x+6 equation:


Simplifying
x + -15 = 4x + 6

Reorder the terms:
-15 + x = 4x + 6

Reorder the terms:
-15 + x = 6 + 4x

Solving
-15 + x = 6 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-15 + x + -4x = 6 + 4x + -4x

Combine like terms: x + -4x = -3x
-15 + -3x = 6 + 4x + -4x

Combine like terms: 4x + -4x = 0
-15 + -3x = 6 + 0
-15 + -3x = 6

Add '15' to each side of the equation.
-15 + 15 + -3x = 6 + 15

Combine like terms: -15 + 15 = 0
0 + -3x = 6 + 15
-3x = 6 + 15

Combine like terms: 6 + 15 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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