ответ на уравнение:
-1,3(7+4х)-11=-4,5
-(13/10)*(7+4*x)-11 = -(9/2)
-13/107+4*x-11 = -(9/2)
-13/107+4*x-11 = -9/2
-201/10 - 26*x/5 = -9/2
-26x/5 = 78/5
x = 78/5 / (-26/5)
x = -3
ответ на уравнение:
-1,3(7+4х)-11=-4,5
-(13/10)*(7+4*x)-11 = -(9/2)
-13/107+4*x-11 = -(9/2)
-13/107+4*x-11 = -9/2
-201/10 - 26*x/5 = -9/2
-26x/5 = 78/5
x = 78/5 / (-26/5)
x = -3