1) 2(11x-5)-17x=55
22x – 10 – 17x = 55
22x – 17x = 55 + 10
5x = 65
x = 13
2)5(8x+3)-12=83
40x + 15 – 12 = 83
40x = 83 + 12 – 15
40x = 80
x = 2
3)7(2x+9)+3x=113
14x + 63 + 3x = 113
14x + 3x = 113 – 63
17x = 50
x = 50/17
х=2,94117647059
4)3(4x+13)-25=74
12x + 39 – 25 = 74
12x = 74 + 25 – 39
12x = 60
x = 5
1) 2(11x-5)-17x=55
22x – 10 – 17x = 55
22x – 17x = 55 + 10
5x = 65
x = 13
2)5(8x+3)-12=83
40x + 15 – 12 = 83
40x = 83 + 12 – 15
40x = 80
x = 2
3)7(2x+9)+3x=113
14x + 63 + 3x = 113
14x + 3x = 113 – 63
17x = 50
x = 50/17
х=2,94117647059
4)3(4x+13)-25=74
12x + 39 – 25 = 74
12x = 74 + 25 – 39
12x = 60
x = 5