93=6u+21

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Solution for 93=6u+21 equation:


Simplifying
93 = 6u + 21

Reorder the terms:
93 = 21 + 6u

Solving
93 = 21 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
93 + -6u = 21 + 6u + -6u

Combine like terms: 6u + -6u = 0
93 + -6u = 21 + 0
93 + -6u = 21

Add '-93' to each side of the equation.
93 + -93 + -6u = 21 + -93

Combine like terms: 93 + -93 = 0
0 + -6u = 21 + -93
-6u = 21 + -93

Combine like terms: 21 + -93 = -72
-6u = -72

Divide each side by '-6'.
u = 12

Simplifying
u = 12

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