X+1=4 2 -1,4*(x-6)=7*(4x+1,2) x-8=7 x+2 3
х+1=4;
х=4-1;
х=3.
-1,4*(х-6)=7*(4х+1,2);
-1,4х-8,4=28х+8,4;
-1,4х-28х=8,4+8,4;
-29,4х=16,8;
х=-16,8/29,4.
х-8=7;
х=7+8;
х=15.
х+2=3;
х=3-2;
х=1.