-12=7u+4(u+3)

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Solution for -12=7u+4(u+3) equation:


Simplifying
-12 = 7u + 4(u + 3)

Reorder the terms:
-12 = 7u + 4(3 + u)
-12 = 7u + (3 * 4 + u * 4)
-12 = 7u + (12 + 4u)

Reorder the terms:
-12 = 12 + 7u + 4u

Combine like terms: 7u + 4u = 11u
-12 = 12 + 11u

Solving
-12 = 12 + 11u

Solving for variable 'u'.

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

Add '-11u' to each side of the equation.
-12 + -11u = 12 + 11u + -11u

Combine like terms: 11u + -11u = 0
-12 + -11u = 12 + 0
-12 + -11u = 12

Add '12' to each side of the equation.
-12 + 12 + -11u = 12 + 12

Combine like terms: -12 + 12 = 0
0 + -11u = 12 + 12
-11u = 12 + 12

Combine like terms: 12 + 12 = 24
-11u = 24

Divide each side by '-11'.
u = -2.181818182

Simplifying
u = -2.181818182

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