cloverbraselton
cloverbraselton cloverbraselton
  • 11-09-2020
  • Mathematics
contestada

2k-3(2k-3)=45
step by step please?​

Respuesta :

Neptune364
Neptune364 Neptune364
  • 11-09-2020
K=-9
Here’s the step by step solution
Answer Link
CSMedrano
CSMedrano CSMedrano
  • 11-09-2020

Answer:

k=-9

Step-by-step explanation:

[tex]2k-3(2k-3)=45\\\\2k-3(2k)-3(-3)=45\\\\2k-6k+9=45\\\\(2k-6k)+9=45\\\\(2-6)k+9=45\\\\-4k+9=45\\\\-4k+9-9=45-9\\\\-4k+0=36\\\\-4k=36\\\\\frac{-1}{4}(-4k) =\frac{-1}{4}(36) \\\\k=\frac{-36}{4} \\\\k=\frac{4*9}{4} \\\\k=\frac{9}{1} \\\\k=-9[/tex]

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