x-4=3x-16

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Solution for x-4=3x-16 equation:


Simplifying
x + -4 = 3x + -16

Reorder the terms:
-4 + x = 3x + -16

Reorder the terms:
-4 + x = -16 + 3x

Solving
-4 + x = -16 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-4 + x + -3x = -16 + 3x + -3x

Combine like terms: x + -3x = -2x
-4 + -2x = -16 + 3x + -3x

Combine like terms: 3x + -3x = 0
-4 + -2x = -16 + 0
-4 + -2x = -16

Add '4' to each side of the equation.
-4 + 4 + -2x = -16 + 4

Combine like terms: -4 + 4 = 0
0 + -2x = -16 + 4
-2x = -16 + 4

Combine like terms: -16 + 4 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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