Answers created by patrick peter y.

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• How do you solve #-11.9d - 19.86= 19.12+ 14.38- 7.3d#?
  
• How do you solve the following system?: # -4x + y = 2 , 2x – y = -4 #
  
• How do you solve #5( x - 2) - ( 4x + 4) = - 4#?
  
• How do i solve for a right triangle?
  
• How do you solve the following system?: # x + 2y = 6 , 2x - 3y = 5 #
  
• How do you solve #3z ^ { 2} + 4z - 7= 0#?
  
• Solve 3^(2x+1) - 28 (3^x-1) +1=0?