Witaj :)
a]
[tex]-3+x=17\\\\x=17+3\\\\\boxed{x=20}[/tex]
b]
[tex]\frac{3}{4}x=1\frac{1}{8}\\\\\frac{3}{4}x=\frac{9}{8} \ \ |\cdot\frac{4}{3}\\\\x=\frac{3}{2}\\\\\boxed{x=1,5}[/tex]
c]
[tex]5-2(x+2)=9 \ \ |-5\\\\-2(x+2)=4 \ \ |:(-2)\\\\x+2=-2\\\\x=-2-2\\\\\boxed{x=-4}[/tex]
d]
[tex]-1,2x=-24 \ \ |:(-1,2)\\\\\boxed{x=20}[/tex]
e]
[tex]3(1-x)+2=-7 \ \ |-2\\\\3(1-x)=-9 \ \ |:3\\\\1-x=-3\\\\x=1+3\\\\\boxed{x=4}[/tex]
