Resolver para $$ u $$. $$ -4(-6 u+8)-9 u=5(u-1)-9 $$ Simplificar la respuesta al máximo.

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Solve the equation $$ -4(-6u+8)-9u=5(u-1)-9 $$.
Solve the equation by following steps:
- step0: Solve for $$u$$:
  $$-4\left(-6u+8\right)-9u=5\left(u-1\right)-9$$
- step1: Move the expression to the left side:
  $$-4\left(-6u+8\right)-9u-\left(5\left(u-1\right)-9\right)=0$$
- step2: Remove the parentheses:
  $$-4\left(-6u+8\right)-9u-5\left(u-1\right)+9=0$$
- step3: Calculate:
  $$10u-18=0$$
- step4: Move the constant to the right side:
  $$10u=0+18$$
- step5: Remove 0:
  $$10u=18$$
- step6: Divide both sides:
  $$\frac{10u}{10}=\frac{18}{10}$$
- step7: Divide the numbers:
  $$u=\frac{9}{5}$$
La solución para $$ u $$ es $$ u = \frac{9}{5} $$ o $$ u = 1.8 $$.
$$ u = 1.8 $$

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