Question

a b c si x stiind ca sunt indeplinite conditiile 49-4-3=a, a+5-7=b, c+55-32=x , 87-b-37=c

Answer 1

49-4-3=a
49-4-3=
45-3=42
a=42

a+5-7=b
42+5-7=b
42+5-7=
47-7=40
b=40

87-b-37=c
87-40-37=c
87-40-37=
47-37=10
c=10

c+55-32=x
10+55-32=x
10+55-32=
65-32=33
x=33


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