45+36u=66+23u+21

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Solution for 45+36u=66+23u+21 equation:


Simplifying
45 + 36u = 66 + 23u + 21

Reorder the terms:
45 + 36u = 66 + 21 + 23u

Combine like terms: 66 + 21 = 87
45 + 36u = 87 + 23u

Solving
45 + 36u = 87 + 23u

Solving for variable 'u'.

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

Add '-23u' to each side of the equation.
45 + 36u + -23u = 87 + 23u + -23u

Combine like terms: 36u + -23u = 13u
45 + 13u = 87 + 23u + -23u

Combine like terms: 23u + -23u = 0
45 + 13u = 87 + 0
45 + 13u = 87

Add '-45' to each side of the equation.
45 + -45 + 13u = 87 + -45

Combine like terms: 45 + -45 = 0
0 + 13u = 87 + -45
13u = 87 + -45

Combine like terms: 87 + -45 = 42
13u = 42

Divide each side by '13'.
u = 3.230769231

Simplifying
u = 3.230769231

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