((4x+3-(10x+11))=7+(13-4x)
4x + 3 - ( 10x + 11 ) = 7 + ( 13 - 4x ) 4x + 3 - 10x - 11 = 7 + 13 - 4x - 6x - 8 = 20 - 4x 2x = - 28 Х = - 14
((4x+3-(10x+11)=7+(13-4x)=4x+3-10x--11=7+13-4x=-10x=7+13-3+11 -10x=28 x=28÷(-10) x=- 2,8