В)
10 - (3х-1)/2 = (6х+3)/11 | *2*11
10 *2 *11 - 11(3x-1) = 2(6x+3)
220 - 33x +11 = 12x +6
231 - 33x = 12x +6
-33x -12x = 6-231
-45x= -225
x= (-225) /(-45)
x= 5
проверим:
10 - (3*5-1)/2 = (6*5+3)/11
10 - 14/2 = 33/11
10 -7 = 3
3=3
д)
(4х-3)/2 - (5-2х)/3 = (3х-4)/3 | * 2*3
3(4x-3) - 2(5-2x) = 2(3x-4)
12x-9 -10+4x= 6x-8
16x-19=6x-8
16x-6x=-8+19
10x= 11
x=11/10
x=1.1
проверим:
(4*1,1 -3 )/ 2 - (5 - 2*1,1)/3 = (3*1,1-4)/3
1,4/2 - 2,8/3 = -0,7/3
7/10 - 28/30 = - 7/30
21/30 - 28/30 = - 7/30
-7/30 = -7/30