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{[500+(40×25-14):2-8×(a-9)]-505}×2=880
a=?
E urgent va rog!!!!!

Răspuns :

{[500+(40×25-14):2-8×(a-9)]-505}×2=880
{[500+986:2-8*(a-9)]-505}*2=880
{[500+986:2-8a-72]-505}*2=880
(921-8a)*2=880
1842-16a=880
16a=1842-880
16a=962
a=60.125