15u-15-7u=17

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Solution for 15u-15-7u=17 equation:


Simplifying
15u + -15 + -7u = 17

Reorder the terms:
-15 + 15u + -7u = 17

Combine like terms: 15u + -7u = 8u
-15 + 8u = 17

Solving
-15 + 8u = 17

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 + 15 + 8u = 17 + 15

Combine like terms: -15 + 15 = 0
0 + 8u = 17 + 15
8u = 17 + 15

Combine like terms: 17 + 15 = 32
8u = 32

Divide each side by '8'.
u = 4

Simplifying
u = 4

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