[tex]a)x \times 4 - 32 \div 4 = 17[/tex]
[tex]4x - 8 = 17[/tex]
[tex]4x = 17 + 8[/tex]
[tex]4x = 25[/tex]
[tex]x = 25\div4[/tex]
[tex]x = 6.25[/tex]
[tex]b)x \times 6 + 242 \div 2 - 900 = 97[/tex]
[tex]6x + 121 - 900 = 97[/tex]
[tex]6x = 97 - 121 + 900[/tex]
[tex]6x = - 24 + 900[/tex]
[tex]6x = 876[/tex]
[tex]x = 876 \div 6[/tex]
[tex]x = 146[/tex]