Answers edited by Adam L.

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• How do you solve the system of equations #x= - 4# and #- 8x - 5y = - 18# by using substitution?
  
• How do you simplify #sqrt(250/252)#?
  
• How do you solve #|12- 6x | + 3\geq 9#?
  
• How do you write an equation of a line passing through (2, -8), perpendicular to #4x+5y=7#?
  
• Question #c2eb1
  
• Can someone help me solve for this angle?