a-x=3(x-a)

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Solution for a-x=3(x-a) equation:


Simplifying
a + -1x = 3(x + -1a)

Reorder the terms:
a + -1x = 3(-1a + x)
a + -1x = (-1a * 3 + x * 3)
a + -1x = (-3a + 3x)

Solving
a + -1x = -3a + 3x

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
a + 3a + -1x = -3a + 3a + 3x

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

Combine like terms: -3a + 3a = 0
4a + -1x = 0 + 3x
4a + -1x = 3x

Add 'x' to each side of the equation.
4a + -1x + x = 3x + x

Combine like terms: -1x + x = 0
4a + 0 = 3x + x
4a = 3x + x

Combine like terms: 3x + x = 4x
4a = 4x

Divide each side by '4'.
a = x

Simplifying
a = x

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