Răspuns :
a+b=145
a=4×b
a+b=145
a=4×b => 4b+b=145
5b=145
b=145:5
b=29
a=4×b
b=29 => a=4×29
a=116
V:a+b=145
116+29=145 (A) R:a=116, b=29
P.S: V inseamna verificarea si R inseamna raspunsul
a=4×b
a+b=145
a=4×b => 4b+b=145
5b=145
b=145:5
b=29
a=4×b
b=29 => a=4×29
a=116
V:a+b=145
116+29=145 (A) R:a=116, b=29
P.S: V inseamna verificarea si R inseamna raspunsul