Homework Help Forum: math

Posted by ang on Monday, November 2, 2009 at 9:28pm.

what is the answer for t+1-4t+8=21

• math - Reiny, Monday, November 2, 2009 at 9:31pm

  collect your like terms t+1-4t+8=21 -3t + 9 = 21 subtract 9 from both sides -3t = 12 divide by -3 t = -4

  
  

• math - Ms. Sue, Monday, November 2, 2009 at 9:31pm

  t+1-4t+8=21 -3t + 9 = 21 -3t = 12 t = -4

  
  

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