15u+18+16u-12=99

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Solution for 15u+18+16u-12=99 equation:


Simplifying
15u + 18 + 16u + -12 = 99

Reorder the terms:
18 + -12 + 15u + 16u = 99

Combine like terms: 18 + -12 = 6
6 + 15u + 16u = 99

Combine like terms: 15u + 16u = 31u
6 + 31u = 99

Solving
6 + 31u = 99

Solving for variable 'u'.

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

Add '-6' to each side of the equation.
6 + -6 + 31u = 99 + -6

Combine like terms: 6 + -6 = 0
0 + 31u = 99 + -6
31u = 99 + -6

Combine like terms: 99 + -6 = 93
31u = 93

Divide each side by '31'.
u = 3

Simplifying
u = 3

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