Answers edited by oaikitty

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• How do you combine like terms in #2( 4x - 4) - 2( x + 2)#?
  
• How do you solve #sqrt(6a-6)=a+1# and check your solution?
  
• Question #9b2b7
  
• Question #4e01d
  
• How do you solve this system of equations: # x +2y = 3 and 3x +5y=15 #?