Question

(Х-4)/4=(Х+3)/7
/ дробь

Answer 1

$\frac{(x - 4)}{4} = \frac{(x + 3)}{7} \\ 7(x - 4) = 3(x + 3) \\ 7x - 28 = 4x + 12 \\ 7x - 4x = 12 + 28 \\ 3x = 40 \\ otvet: x = \frac{40}{3}$