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(3a+2)÷4-2=3 SI 5×b÷2=2525 sa se calculeze b-a

Răspuns :

[tex] \frac{3a+2}{4}-2=3 \ \textless \ =\ \textgreater \ 3a+2-8=12 \ \textless \ =\ \textgreater \ 3a=18 =\ \textgreater \ a=6 \\ \frac{5b}{2}=2525 =\ \textgreater \ b=1010 [/tex]

=>b-a=1010-6=1004
(3a+2)÷4-2=3 SI 5×b÷2=2525 3a+2):4=5
3a+2=20
3a=18
a=6
5b=5050
b=1010

1010-6=1004