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2/5•x+1/2=7/8 rexolvati ecuatia

Răspuns :

EagleEyes
2/5•x+1/2=7/8
16x+20=35
16x=35-20
16x=15
x=15/16

Verf: 2/5 * 15/16 + 1/2 =
= 3/8+1/2 = (3+4)/8 = 7/8
Hiltrie

[tex] \frac{2x}{5} + \frac{1}{2} = \frac{7}{8} \\ 16x + 20 = 35 \\ 16x = 35 - 20 \\ x = \frac{15}{16} [/tex]
Sper ca te-am ajutat!

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