Odpowiedź :
[tex]2(3-x)+7=4*(2+x) \\\\6-2x+7=8+4x\\\\-2x-4x=8-6-7\\\\-6x=-5\ \ |:(-6)\\\\x=\frac{5}{6}[/tex]
[tex]4-(2x+5)=2x-1\\\\4- 2x-5 =2x-1\\\\-2x-2x=-1-4+5\\\\-4x=0\ \ |:(-4)\\\\x=0[/tex]
[tex]2(3-x)+7=4*(2+x) \\\\6-2x+7=8+4x\\\\-2x-4x=8-6-7\\\\-6x=-5\ \ |:(-6)\\\\x=\frac{5}{6}[/tex]
[tex]4-(2x+5)=2x-1\\\\4- 2x-5 =2x-1\\\\-2x-2x=-1-4+5\\\\-4x=0\ \ |:(-4)\\\\x=0[/tex]