-11(2-3x)+5x=1613x+(7-5x)=8 8x+4(2-5x)=13 -3(15-8x)+2-11x=7x=18

1) -22+33х+5х=16

38х=16+22

38х=38

х=1

2) 13х+7-5х=8

8х=1

х=1/8

3) 8х+8-20х=13

-12х=5

х=5/12 = -0,416

4) -45+24х+2-11х-7х=18

-43+6х=18

6х=61

х= 61/6 = 10 1/6 = 10,16