5(6x-7)=8x+4
30x – 35 = 8x + 4
30x – 8x = 4 + 35
22x = 39
x = 39/22
х=1,77272727273
12x+7=3(2x+43)
12x + 7 = 6x + 129
12x – 6x = 129 – 7
6x = 122
3x = 61
x = 61/3
х=20,3333333333
5(6x-7)=8x+4
30x – 35 = 8x + 4
30x – 8x = 4 + 35
22x = 39
x = 39/22
х=1,77272727273
12x+7=3(2x+43)
12x + 7 = 6x + 129
12x – 6x = 129 – 7
6x = 122
3x = 61
x = 61/3
х=20,3333333333