Answered

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-3(2x - 9) = 3(16-x)

Sagot :

Answer:

-7

Step-by-step explanation:

-6x +27 = 48 - 3x

-3x =21

x=-7

Answer:

  • [tex]-3\left(2x-9\right)=3\left(16-x\right)[/tex]
  • [tex]-3\left(2x-9\right)[/tex]
  • [tex]=-3\cdot \:2x-\left(-3\right)\cdot \:9[/tex]
  • [tex]-3\cdot \:2x+3\cdot \:9[/tex]
  • [tex]=-6x+3\cdot \:9[/tex]
  • [tex]=-6x+27[/tex]
  • [tex]3\left(16-x\right)[/tex]
  • [tex]=3\cdot \:16-3x[/tex]
  • [tex]=48-3x[/tex]
  • [tex]-6x+27=48-3x[/tex]
  • [tex]-6x+27-27=48-3x-27[/tex]
  • [tex]-6x=-3x+21[/tex]
  • [tex]-6x+3x=-3x+21+3x[/tex]
  • [tex]-3x=21[/tex]
  • [tex]\frac{-3x}{-3}=\frac{21}{-3}[/tex]
  • [tex]x=-7[/tex]

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