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c) [(x-38)•3+5]•5=985

Răspuns :

(x-38)x3+5=985:5
(x-38)x3+5=197
(x-38)x3=197-5
(x-38)x3=192
x-38=192:3
x-38=64
x=64+38
x=102
(x - 38)×3+5=985:5
(x - 38)×3+5=197
(x - 38)×3=197- 5
(x - 38)×3=192
x - 38=192:3
x - 38=64
x = 64+38
x = 102