Question

Aflati termenul necunoscut x stiind ca : [(x+390:4)-5+700]:600=2

Answer 1

[(x+390:4)-5+700]:600=2

[(x+97,5)-5+700]=600×2

[(x+97,5)-5+700]=1200

(x+97,5)-5=1200-700

(x+97,5)-5=500

x+97,5=500+5

x+97,5=505

x=505-97,5

x=407,5.

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