169=-u+39

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Solution for 169=-u+39 equation:


Simplifying
169 = -1u + 39

Reorder the terms:
169 = 39 + -1u

Solving
169 = 39 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
169 + u = 39 + -1u + u

Combine like terms: -1u + u = 0
169 + u = 39 + 0
169 + u = 39

Add '-169' to each side of the equation.
169 + -169 + u = 39 + -169

Combine like terms: 169 + -169 = 0
0 + u = 39 + -169
u = 39 + -169

Combine like terms: 39 + -169 = -130
u = -130

Simplifying
u = -130

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