6u-65=4u-21

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Solution for 6u-65=4u-21 equation:


Simplifying
6u + -65 = 4u + -21

Reorder the terms:
-65 + 6u = 4u + -21

Reorder the terms:
-65 + 6u = -21 + 4u

Solving
-65 + 6u = -21 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-65 + 6u + -4u = -21 + 4u + -4u

Combine like terms: 6u + -4u = 2u
-65 + 2u = -21 + 4u + -4u

Combine like terms: 4u + -4u = 0
-65 + 2u = -21 + 0
-65 + 2u = -21

Add '65' to each side of the equation.
-65 + 65 + 2u = -21 + 65

Combine like terms: -65 + 65 = 0
0 + 2u = -21 + 65
2u = -21 + 65

Combine like terms: -21 + 65 = 44
2u = 44

Divide each side by '2'.
u = 22

Simplifying
u = 22

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