4-4u-9=u-17-74

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Solution for 4-4u-9=u-17-74 equation:


Simplifying
4 + -4u + -9 = u + -17 + -74

Reorder the terms:
4 + -9 + -4u = u + -17 + -74

Combine like terms: 4 + -9 = -5
-5 + -4u = u + -17 + -74

Reorder the terms:
-5 + -4u = -17 + -74 + u

Combine like terms: -17 + -74 = -91
-5 + -4u = -91 + u

Solving
-5 + -4u = -91 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-5 + -4u + -1u = -91 + u + -1u

Combine like terms: -4u + -1u = -5u
-5 + -5u = -91 + u + -1u

Combine like terms: u + -1u = 0
-5 + -5u = -91 + 0
-5 + -5u = -91

Add '5' to each side of the equation.
-5 + 5 + -5u = -91 + 5

Combine like terms: -5 + 5 = 0
0 + -5u = -91 + 5
-5u = -91 + 5

Combine like terms: -91 + 5 = -86
-5u = -86

Divide each side by '-5'.
u = 17.2

Simplifying
u = 17.2

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