Question

afla valoarea termenului necunoscut.a+52=83.49+b=68.c-37=100​

Answer 1

a+52=83

a=83-52

a=31

49+b=68

b=68-49

b=19

c-37=100

c=100+37

c=137

Answer 2

$\it a+52=83 \Rightarrow a=83-52 \Rightarrow a=31\\ \\ b)\ 49+b=68 \Rightarrow b=68-49 \Rightarrow b=19\\ \\ c)\ c-37=100 \Rightarrow c=100+37 \Rightarrow c=137$