Помогите решить
9х – 1 = 8х + 7
4х – 6 = 2х + 12;
3х + 3 = 2х + 13;
9 – 3х = 20 – 4х;
7х – 1 = 5х +23;
2 – 3х = 28 – 5х;.
6х + 3 = 5х + 17;
8х – 10 = 6х + 20;
17х -1 = 15 +16х;
19 + 3х = 5х – 15;
6 +2х = 4х – 30;
5х+ 3 = 4х +22;
2 + 2х = х +24;
5 + 7х =26 + 6х;

9x - 1 = 8x +  79x - 8x = 1 + 7x = 84x - 6 = 2x + 124x - 2x = 12 + 62x = 18x = 93x + 3 = 2x + 133x - 2x = 13 - 3x = 109 - 3x = 20 - 4x-3x + 4x = 20 - 9x = 117x - 1 = 5x + 237x - 5x = 23 + 12x = 24x = 122 - 3x = 28 - 5x-3x + 5x = 28 - 22x = 26x = 136x + 3 = 5x + 176x - 5x = 17 - 3x = 148x - 10 = 6x + 208x - 6x = 20 + 102x = 30x = 1517x - 1 = 15 + 16x17x - 16x = 15 + 1x = 1619 + 3x = 5x - 155x - 3x = 19 + 152x = 34x = 176 + 2x = 4x - 302x - 4x = -30 - 6-2x = -36x = 185x + 3 = 4x + 225x - 4x = 22 - 3x = 192 + 2x = x + 242x - x = 24 - 2x = 225 + 7x = 26 + 6x7x - 6x = 26 - 5x = 21 

9х-1=8х+79х-8х=7+1х=8Проверка9*8-1=8*8+771=714х-6=2х+124х-2х=12+62х=18х=18:2х=9Проверка4*9-6=2*9+1230=303х+3=2х+133х-2х=13-3х=10Проверка3*10+3=2*10+1333=339-3х=20-4х-3х+4х=20-9х=11Проверка9-3*11=20-4*119-33=20-44-24=-247х-1=5х+237х-5х=23+12х=24х=24:2х=12Проверка7*12-1=5*12+2384-1=60+2383=832-3х=28-5х-3х+5х=28-22х=26х=26:2х=13Проверка2-3*13=28-5*132-39=28-65-37=-376х+3=5х+176х-5х=17-3х=146*14+3=5*14+1784+3=70+1787=878х-10=6х+208х-6х=20+102х=30х=30:2х=15Проверка8*15-10=6*15+20120-10=90+20110=11017х-1=15+16х17х-16х=15+1х=16Проверка17*16-1=15+16*16272-1=15+256271=27119+3х=5х-153х-5х=-15-19-2х=-34х=-34:-2х=17Проверка19+3*17=5*17-1519+51=85-1570=706+2х=4х-302х-4х=-30-6-2х=-36х=-36:-2х=18Проверка6+2*18=4*18-306+36=72-3042=425х+3=4х+225х-4х=22-3х=19Проверка5*19+3=4*19+2295+3=76+2298=982+2х=х+242х-х=24-2х=22Проверка2+2*22=22+2446=465+7х=26+6х7х-6х=26-5х=21Проверка5+7*21=26+6*215+147=26+126152=152