216=u-128

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Solution for 216=u-128 equation:


Simplifying
216 = u + -128

Reorder the terms:
216 = -128 + u

Solving
216 = -128 + 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.
216 + -1u = -128 + u + -1u

Combine like terms: u + -1u = 0
216 + -1u = -128 + 0
216 + -1u = -128

Add '-216' to each side of the equation.
216 + -216 + -1u = -128 + -216

Combine like terms: 216 + -216 = 0
0 + -1u = -128 + -216
-1u = -128 + -216

Combine like terms: -128 + -216 = -344
-1u = -344

Divide each side by '-1'.
u = 344

Simplifying
u = 344

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