4x -3 104
-------- = 31 , ---------- = 4 ?
7 6x + 2
??????????????????
1) 4X - 3 = 31 * 7 4X - 3 = 217 4X = 220 X = 55 .............................. 2) 6X + 2 = 104 : 4 6X + 2 = 26 6X = 24 X = 4
4х-3=217 4х=220 х=55 104=24х+8 24х=96 х=24