1) 2(11х-5)-17х= 22x − 10 − 17x = 5x − 10
2) 5(8х+3)-12=83
40x + 15 – 12 = 83
40x = 83 + 12 – 15
40x = 80
x = 2
3) 7(2х+9)+3х=114
14x + 63 + 3x = 114
14x + 3x = 114 – 63
17x = 51
x = 3
4)3(4х+13)-25=74
12x + 39 – 25 = 74
12x = 74 + 25 – 39
12x = 60
x = 5
1) 2(11х-5)-17х= 22x − 10 − 17x = 5x − 10
2) 5(8х+3)-12=83
40x + 15 – 12 = 83
40x = 83 + 12 – 15
40x = 80
x = 2
3) 7(2х+9)+3х=114
14x + 63 + 3x = 114
14x + 3x = 114 – 63
17x = 51
x = 3
4)3(4х+13)-25=74
12x + 39 – 25 = 74
12x = 74 + 25 – 39
12x = 60
x = 5