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aflati nr natural x stiind ca (8+3x)×14-30=1762

Răspuns :

(8+3x)×14-30=1762
(8+3x)×14=1762+30
(8+3x)×14=1792
8+3x=1792÷14
8+3x=128
3x=128-8
3x=120
x=120÷3
x=40