12=7u-5

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Solution for 12=7u-5 equation:


Simplifying
12 = 7u + -5

Reorder the terms:
12 = -5 + 7u

Solving
12 = -5 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
12 + -7u = -5 + 7u + -7u

Combine like terms: 7u + -7u = 0
12 + -7u = -5 + 0
12 + -7u = -5

Add '-12' to each side of the equation.
12 + -12 + -7u = -5 + -12

Combine like terms: 12 + -12 = 0
0 + -7u = -5 + -12
-7u = -5 + -12

Combine like terms: -5 + -12 = -17
-7u = -17

Divide each side by '-7'.
u = 2.428571429

Simplifying
u = 2.428571429

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