Răspuns :

MoscuTeodoraid

a) => 52

x - 35 = 17

x = 17 + 35

x = 52

b) => 7

23 - 2y = 9

2y = 23 - 9 = 14

y = 14 : 2

y = 7

c) => 15

3(z + 2) = 51

z + 2 = 51 : 3 = 17

z = 17 - 2

z = 15

d) => 8

7t + 4 = 60

7t = 60 - 4 = 56

t = 56 : 7

t = 8

a) x-35=17

x=17+35

x=52

b) 23-2y=9

2y=23-9

2y=14

y=14:2

y=7

c) 3(z+2)=51

3z+6=51

3z=51-6

3z=45

z=45:3

z=15

d) 7t+4=60

7t=60-4

7t=56

t=56:7

t=8

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