(4х+3)-(10х+11)=7+(13-4х)
-2*(3x+4) = -4*(x-5)
-6x-8=20-4x
-2x=28
x=28/-2
x= -14
Ответ: -14
4х+3-10х+11=7+13-4х
4х-10х+4х=7+13-3-11
-2х=6
х=6:(-2)
х=-3