d)
2*m - 4 = 8
2m - 4 = 8 | +4
2m = 12 |:2
m=6
e)
8*x + 7 = 15
8x + 7 = 15 |-7
8x= 8 |:8
x=1
f)
-4*h + 5 = 29
-4h + 5 = 29 |-5
-4h = 29 |:4
-h = 7,25
h = - 7,25
g)
3*x + 2 = -19
3x + 2 = -19 |-2
3x= -21 | :3
x= -7
i)
8*x + 3 = 43
8x + 3 = 43 | -3
8x = 40 |:8
x= 5
j)
5*s - 9 = -6
5s -9 = -6 |+9
5s= 3 |:5
s= 0,6
k)
7-2*x = 15
7- 2x = 15 |-7
2x= 8 |:2
x= 4
l)
6*k + 3 = 33
6k + 3 = 33 |-3
6k=30 |:6
k= 5
Mam nadzieję, że pomogłam, liczę na naj. c:
