3(11u+19)+20=9u+18u-19

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Solution for 3(11u+19)+20=9u+18u-19 equation:


Simplifying
3(11u + 19) + 20 = 9u + 18u + -19

Reorder the terms:
3(19 + 11u) + 20 = 9u + 18u + -19
(19 * 3 + 11u * 3) + 20 = 9u + 18u + -19
(57 + 33u) + 20 = 9u + 18u + -19

Reorder the terms:
57 + 20 + 33u = 9u + 18u + -19

Combine like terms: 57 + 20 = 77
77 + 33u = 9u + 18u + -19

Reorder the terms:
77 + 33u = -19 + 9u + 18u

Combine like terms: 9u + 18u = 27u
77 + 33u = -19 + 27u

Solving
77 + 33u = -19 + 27u

Solving for variable 'u'.

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

Add '-27u' to each side of the equation.
77 + 33u + -27u = -19 + 27u + -27u

Combine like terms: 33u + -27u = 6u
77 + 6u = -19 + 27u + -27u

Combine like terms: 27u + -27u = 0
77 + 6u = -19 + 0
77 + 6u = -19

Add '-77' to each side of the equation.
77 + -77 + 6u = -19 + -77

Combine like terms: 77 + -77 = 0
0 + 6u = -19 + -77
6u = -19 + -77

Combine like terms: -19 + -77 = -96
6u = -96

Divide each side by '6'.
u = -16

Simplifying
u = -16

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