Question

(4x+3)-(10x+11)=7+(13-4x)

Answer 1

расскрываешь скобки.
4х+3-10х-11=7+13-4х
4х-10х=4х=-3+11+7+13
-2х=28
х=28:(-2)
х=-14 

Answer 2

4x+3-10x-11 = 7+13-4x

4x-10x+4x = 7+13-3+11

-2x = 28

x = -14