Question

Determinati numarul x care verifica egalitatile: a) 5 ori x = 123 b) 1,2x + 24,3= 25,74 c)x ori 3,2 = 23,2 d) 2x + 0,234= 14,754

Answer 1

a)5×x=123⇒5x=123⇒x=123/5⇒x=24.6
b)1.2x+24.3=25.74⇒1.2x=25.74-24.3⇒1.2x=1.44⇒x=1.44/1.2⇒x=1.2
c)x×3.2=23.2⇒3.2x=23.2⇒x=23.2/3.2⇒x=7.25
d)2x+0.234=14.754⇒2x=14.754-0.234⇒2x=14.52⇒x=14.52/2⇒x=7.26
sucees

Answer 2

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