33x – 17x + 14 = 558
33x – 17x = 558 – 14
16x = 544
x = 34
988:(7x-18)=26
7x-18=988:26
7x-18=38
7x=38+18
7x=56
x=56/7
х=8
33x – 17x + 14 = 558
33x – 17x = 558 – 14
16x = 544
x = 34
988:(7x-18)=26
7x-18=988:26
7x-18=38
7x=38+18
7x=56
x=56/7
х=8