u(a+4)+w(a-9)=z(a-1)

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Solution for u(a+4)+w(a-9)=z(a-1) equation: 


Simplifying
u(a + 4) + w(a + -9) = z(a + -1)

Reorder the terms:
u(4 + a) + w(a + -9) = z(a + -1)
(4 * u + a * u) + w(a + -9) = z(a + -1)

Reorder the terms:
(au + 4u) + w(a + -9) = z(a + -1)
(au + 4u) + w(a + -9) = z(a + -1)

Reorder the terms:
au + 4u + w(-9 + a) = z(a + -1)
au + 4u + (-9 * w + a * w) = z(a + -1)

Reorder the terms:
au + 4u + (aw + -9w) = z(a + -1)
au + 4u + (aw + -9w) = z(a + -1)

Reorder the terms:
au + aw + 4u + -9w = z(a + -1)

Reorder the terms:
au + aw + 4u + -9w = z(-1 + a)
au + aw + 4u + -9w = (-1 * z + a * z)

Reorder the terms:
au + aw + 4u + -9w = (az + -1z)
au + aw + 4u + -9w = (az + -1z)

Solving
au + aw + 4u + -9w = az + -1z

Solving for variable 'a'.

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

Add '-1az' to each side of the equation.
au + aw + 4u + -1az + -9w = az + -1az + -1z

Reorder the terms:
au + aw + -1az + 4u + -9w = az + -1az + -1z

Combine like terms: az + -1az = 0
au + aw + -1az + 4u + -9w = 0 + -1z
au + aw + -1az + 4u + -9w = -1z

Add '-4u' to each side of the equation.
au + aw + -1az + 4u + -4u + -9w = -4u + -1z

Combine like terms: 4u + -4u = 0
au + aw + -1az + 0 + -9w = -4u + -1z
au + aw + -1az + -9w = -4u + -1z

Add '9w' to each side of the equation.
au + aw + -1az + -9w + 9w = -4u + 9w + -1z

Combine like terms: -9w + 9w = 0
au + aw + -1az + 0 = -4u + 9w + -1z
au + aw + -1az = -4u + 9w + -1z

Reorder the terms:
au + aw + -1az + 4u + -9w + z = -4u + 4u + 9w + -9w + -1z + z

Combine like terms: -4u + 4u = 0
au + aw + -1az + 4u + -9w + z = 0 + 9w + -9w + -1z + z
au + aw + -1az + 4u + -9w + z = 9w + -9w + -1z + z

Combine like terms: 9w + -9w = 0
au + aw + -1az + 4u + -9w + z = 0 + -1z + z
au + aw + -1az + 4u + -9w + z = -1z + z

Combine like terms: -1z + z = 0
au + aw + -1az + 4u + -9w + z = 0

The solution to this equation could not be determined.

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