3x+9=a(a-x)

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Solution for 3x+9=a(a-x) equation: 


Simplifying
3x + 9 = a(a + -1x)

Reorder the terms:
9 + 3x = a(a + -1x)
9 + 3x = (a * a + -1x * a)

Reorder the terms:
9 + 3x = (-1ax + a2)
9 + 3x = (-1ax + a2)

Solving
9 + 3x = -1ax + a2

Solving for variable 'x'.

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

Add 'ax' to each side of the equation.
9 + ax + 3x = -1ax + ax + a2

Combine like terms: -1ax + ax = 0
9 + ax + 3x = 0 + a2
9 + ax + 3x = a2

Add '-9' to each side of the equation.
9 + ax + -9 + 3x = -9 + a2

Reorder the terms:
9 + -9 + ax + 3x = -9 + a2

Combine like terms: 9 + -9 = 0
0 + ax + 3x = -9 + a2
ax + 3x = -9 + a2

Reorder the terms:
9 + ax + -1a2 + 3x = -9 + a2 + 9 + -1a2

Reorder the terms:
9 + ax + -1a2 + 3x = -9 + 9 + a2 + -1a2

Combine like terms: -9 + 9 = 0
9 + ax + -1a2 + 3x = 0 + a2 + -1a2
9 + ax + -1a2 + 3x = a2 + -1a2

Combine like terms: a2 + -1a2 = 0
9 + ax + -1a2 + 3x = 0

The solution to this equation could not be determined.

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