3z-6+4z-9+8u=

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Solution for 3z-6+4z-9+8u= equation:


Simplifying
3z + -6 + 4z + -9 + 8u = 0

Reorder the terms:
-6 + -9 + 8u + 3z + 4z = 0

Combine like terms: -6 + -9 = -15
-15 + 8u + 3z + 4z = 0

Combine like terms: 3z + 4z = 7z
-15 + 8u + 7z = 0

Solving
-15 + 8u + 7z = 0

Solving for variable 'u'.

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

Add '15' to each side of the equation.
-15 + 8u + 15 + 7z = 0 + 15

Reorder the terms:
-15 + 15 + 8u + 7z = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 8u + 7z = 0 + 15
8u + 7z = 0 + 15

Combine like terms: 0 + 15 = 15
8u + 7z = 15

Add '-7z' to each side of the equation.
8u + 7z + -7z = 15 + -7z

Combine like terms: 7z + -7z = 0
8u + 0 = 15 + -7z
8u = 15 + -7z

Divide each side by '8'.
u = 1.875 + -0.875z

Simplifying
u = 1.875 + -0.875z

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