-7-7u-20=4u+17

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Solution for -7-7u-20=4u+17 equation:


Simplifying
-7 + -7u + -20 = 4u + 17

Reorder the terms:
-7 + -20 + -7u = 4u + 17

Combine like terms: -7 + -20 = -27
-27 + -7u = 4u + 17

Reorder the terms:
-27 + -7u = 17 + 4u

Solving
-27 + -7u = 17 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-27 + -7u + -4u = 17 + 4u + -4u

Combine like terms: -7u + -4u = -11u
-27 + -11u = 17 + 4u + -4u

Combine like terms: 4u + -4u = 0
-27 + -11u = 17 + 0
-27 + -11u = 17

Add '27' to each side of the equation.
-27 + 27 + -11u = 17 + 27

Combine like terms: -27 + 27 = 0
0 + -11u = 17 + 27
-11u = 17 + 27

Combine like terms: 17 + 27 = 44
-11u = 44

Divide each side by '-11'.
u = -4

Simplifying
u = -4

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