-8=u-4

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Solution for -8=u-4 equation:


Simplifying
-8 = u + -4

Reorder the terms:
-8 = -4 + u

Solving
-8 = -4 + 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.
-8 + -1u = -4 + u + -1u

Combine like terms: u + -1u = 0
-8 + -1u = -4 + 0
-8 + -1u = -4

Add '8' to each side of the equation.
-8 + 8 + -1u = -4 + 8

Combine like terms: -8 + 8 = 0
0 + -1u = -4 + 8
-1u = -4 + 8

Combine like terms: -4 + 8 = 4
-1u = 4

Divide each side by '-1'.
u = -4

Simplifying
u = -4

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