meme1968 meme1968
  • 11-12-2018
  • Mathematics
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What are the solutions of -1/2x + 4 = x+1

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gmany
gmany gmany
  • 11-12-2018

[tex]-\dfrac{1}{2}x+4=x+1\qquad\text{multiply both sides by 2}\\\\-x+8=2x+2\qquad\text{subtract 8 from both sides}\\\\-x=2x-6\qquad\text{subtract 2x from both sides}\\\\-3x=-6\qquad\text{divide both sides by (-3)}\\\\\boxed{x=2}[/tex]

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