Question

2x-6 -(-9x +4)= 6 + 5​

Answer 1

Respuesta:

$2x-6 -(-9x +4)= 6 + 5 \\\\x= \frac{21}{11} (decimal: x= 1.90909...)\\\\Pasos:\\\\2x -6-(9x + 4) =6+ 5\\\\2x -6-(9x + 4)=11\\ ( sumar/6+5=11)\\\\2x -6-(9x + 4)+ 6 =11+6 (sumar.6.a.ambos. lados)\\\\\\2x-(9x+4)=17 (simplificar).)\\\\Desarrollar:\\ 2x-(9x+4): 11x-4\\\\11x-4=17\\\\11x-4+4=17+4(sumar 4 a ambos lados)\\\\\\11x=21 (simplificar)\\\\11x/11 = 21/11\\\\x= 21/11 (simplificar)$

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