Question

41-a=22
39+a=75
55-a=22
53+a=68
a-33=47
a+44=76
a-12=66
a=17=55
afla termenu necunoscut

Answer 1

41-a=12;-a=12-41;-a=-29;a=29....39+a=75;a=75-39;a=36.....55-a=22;-a=22-55;-a=-33;a=33.......53+a=68;a=68-53=15.....a-33=47;a=47+33;a=80....a+44=76;a=76-44=22.....a-12=66;a=66+12=78.…..a-17=55;a=55+17=72

Answer 2

41-a=22
a=41-22=19  

39+a=74
a=74-39=36

55-a=22
a=55-22=33

53+a=68
a=68-53=15

a-33=47
a=33+47=80

a+44=76
a=76-44=32

a-12=66
a=12+66=78

a+17=55
a=55-17=38

a-17=55
a=55+17=72
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