At what value of an argument the value of function is equal to 4: 1) to f (×) =6/×-22) f (×) =1+×/×-33) f (×) = 3/× and +34) f (×) = ×/×-2 and +5? Tell me please

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It is GIVEN to f (x) = 4 to FIND x = SOLUTION 1) 4 = 6/x - 2 6/x = 4+2 = 6 x = 6/6 = 1 - the ANSWER 2) 4 = (1+ x) / (x-3) the 4th - 12 = 1+ x 3*kh = 1+12 = 13 x = 13: 3 = 4 1/3 - the ANSWER 3) 4 = 3/x + 3 3/x = 4 - 3 = 1 x = 3 - the ANSWER 4) 4 = (x/x-2) +5 (x/x-2) = 4-5 = - 1 x = - (x-2) = - x + 2 = 2 x = 2:2 = 1 - the ANSWER the Decision look the 2nd at a photo
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