48=68-u

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Solution for 48=68-u equation:


Simplifying
48 = 68 + -1u

Solving
48 = 68 + -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.
48 + u = 68 + -1u + u

Combine like terms: -1u + u = 0
48 + u = 68 + 0
48 + u = 68

Add '-48' to each side of the equation.
48 + -48 + u = 68 + -48

Combine like terms: 48 + -48 = 0
0 + u = 68 + -48
u = 68 + -48

Combine like terms: 68 + -48 = 20
u = 20

Simplifying
u = 20

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