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(2x+3,5):0,2-8,42=34,0

Răspuns :

(2x+3,5)÷0,2-8,42=34,0/+8,42
(2x+3,5)÷0,2=42,42/×0,2
2x+3,5=8,484/-3,5
2x=4,984/÷2
x=2,492