Question

2 supra 7 plus x egal 9 supra 7

Answer 1

2/7x=9/7
fractia 9/7 o amplifici cu x=>2/7x=9×/7×

Answer 2

Răspuns

$\frac{2}{7} + x = \frac{9}{7} \\\\\frac{9}{7} - \frac{2}{7} = \frac{7}{7\\} \\\\X = \frac{7}{7}$

Explicație pas cu pas:

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