how do i solve these equations and check my solution?
12y+72=0
-7x+21=0

• On solving these equations-- x=0 and y=0.
• 10 years agoHelpfull: Yes(1) No(0)
• 12y + 72 = 0
  =>12y = -72
  =>y = -72/12 = -6
  Verify by putting y = -6 in 12y + 72 = 0
  LHS = 12*(-6) + 72 = -72 +72 = 0 =RHS
  Hence verified
  
  Similarly, x=3
• 10 years agoHelpfull: Yes(0) No(0)