Question

943. Найдите корни уравнений: 1) 5х – з, – 4 2 + 11 E 16 , 3) 18 - 2x E : 25 2) 8x + 11 = 15; 4) 4x - 19 23; в( х 8) 44:-981 ) с 7 ; 75 5) x — 5 12 7 6) 8 12 х: 20 : 40 7) 36 : (x +114 = 1 х 17 = =; 19 9 — 5 13
60 балов
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Answer 1

Ответ:

Пошаговое объяснение:

5х-3 1/2=4 3/25х=4 2/3+3 1/25х=4 4/6+3 3/65х=7 7/6=8 1/6х=49/6÷5/1=49/6*1/5=49/30х=1 19/3018-2х=16 3/4-2х=16 3/4-18=16 3/4-17 74/4-2х=-1 1/4х=1 1/4÷2=5/4*1/2х=5/8(х-5 7/19)÷25=7/75х-5 7/19=7/75*25/1х-5 7/19=7/3х=7/3+5 7/19=7/3+102/19=(133+306)/57х=439/57х=7 40/5736÷(х+11 4/5)=1 17/19х+11 4/5=36/1/1 17/19=36/1*19/36х+11 4/5=19х=19-11 4/5х=7 1/58х+11 2/11=158х=15+11 2/118х=26 2/11х=26 2/11÷8=288/11*1/8=288/88х=3 24/88х=3 3/114х-19 3/5=234х=23+19 3/54х=42 3/5х= 42 3/5÷4=213/5*1/4х=213/20=10 13/20(8 4/9-х)÷20=7/208 4/9-х=7/40*208 4/9-х=7/2-х=7/2-8 4/9-х=(63-152)/18-х=-89/18х=89/18=4 17/1844÷(х-8 3/4)=1 9/13х-8 3/4=44÷1 9/13=44/1*13/22х-8 3/4=26х=26+8 3/4х=34 3/4