Question

6. Să se afle x dacă: a) x+3/5=x+6/10. b) 2x+1/10=3x+1/14

Answer 1

Răspuns:

$x + \frac{3}{5} = x + \frac{6 }{10 } \\ \frac{10x}{10 } + \frac{6}{10 } = \frac{10x}{10} + \frac{12}{10} \\ 10x + 6 = 10x + 12 \\ 10x - 10x = 12 - 6 \\ x = 6$