Question

5. Află termenul necunoscut:
a +9 = 59
73+a=87
b - 24 = 45
82 - b = 32
26 - 15 + C = 32
85-C+ 26 = 87​

Answer 1

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Salutare!

a+9=59

a=59-9

a=50

v: 50+9=59 ✔

73+a=87

a=87-73

a=14

v: 73+14=87 ✔

b-24=45

b=45+24

a=69

v: 69-24=45 ✔

82-b=32

b=82-32

a=50

v: 82-50=32 ✔

26-15+c=32

11+c=32

c=32-11

c=21

v: 26-15+21=11+21=32 ✔

85-c+26=87

85-c=87-26

85-c=61

c=85-61

c=24

v:85-24+26=61+26=87✔

#Succes!

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Answer 2

a+9=59
a=59-9
a=50


73+a=87
a=87-73
a=14


b-24=45
b=24+45
b=69


82-b=32
b=82-32
b=50


26-15+c=32
11+c=32
c=32-11
c=21


85-c+26=87
85-c=87+26
85-c=113
c=113-85
c=28
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