Răspuns :
a + b = 33
a = 5 + 3b
~
a; b = ?
~
a + b = 33
5 + 3b + b = 33
5 + 4b = 33
4b = 33 - 5
4b = 28
b = 28 : 4
b = 7
a = 5 + 3b
a = 5 + 21
a = 26
/robèrtinni
a = 5 + 3b
~
a; b = ?
~
a + b = 33
5 + 3b + b = 33
5 + 4b = 33
4b = 33 - 5
4b = 28
b = 28 : 4
b = 7
a = 5 + 3b
a = 5 + 21
a = 26
/robèrtinni
a+b=33
a=(b*3)+5
-------------
a=?;b=?
a=3b+5
3b+b+5=33
4b+5=33
4b=33-5
4b=28
b=28:4
b=7
a=(7*3)+5
a=21+5
a=26
26+7=33
a=(b*3)+5
-------------
a=?;b=?
a=3b+5
3b+b+5=33
4b+5=33
4b=33-5
4b=28
b=28:4
b=7
a=(7*3)+5
a=21+5
a=26
26+7=33