Н-11/16=7
Н=7+11/16
Н=7 11/16
227:25=9 2/25
17400:57=3055/19
-15-3х=-7х+45
- 3х + 7х = 45 + 15
4х = 60
х = 60÷4
х= 15
(4-с)+2(с-3)=-13.
4- с + 2с - 6 = -13
-с + 2с = - 13 - 4 + 6
с = - 11
-3х-17=8х-105.
- 17 + 105 = 8х + 3х
88 = 11х
х = 88÷11
х = 8
11+2х=55+3х
11 - 55 = 3х - 2х
- 44 = х