Question

номер 485 решите уравнение

Answer 1

25z+49=149
25z=149-49
25z=100
z=100:25
z=4
13+10t=163
10t=163-13
10t=150
t=150:15
t=10
9y-54=162
9y=162+54
9y=216
y=216:9
y=24
181-8r=45
8r=181-45
8r=136
r=136:8
r=17

Answer 2

25z+49=149

25z=149-49

25z=100

z=100:25

Z=4

13+10t=163

10t=163-13

10t=150

t=150:10

t=15

9у-54=162

9у=162+54

9у=216

у=216:9

у=24

181-8р=45

8r=181-45

8r=136

r=136:8

r=17