7u-5u-u-1=17

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Solution for 7u-5u-u-1=17 equation:


Simplifying
7u + -5u + -1u + -1 = 17

Reorder the terms:
-1 + 7u + -5u + -1u = 17

Combine like terms: 7u + -5u = 2u
-1 + 2u + -1u = 17

Combine like terms: 2u + -1u = 1u
-1 + 1u = 17

Solving
-1 + 1u = 17

Solving for variable 'u'.

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

Add '1' to each side of the equation.
-1 + 1 + 1u = 17 + 1

Combine like terms: -1 + 1 = 0
0 + 1u = 17 + 1
1u = 17 + 1

Combine like terms: 17 + 1 = 18
1u = 18

Divide each side by '1'.
u = 18

Simplifying
u = 18

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