Question

Тендеу ×+(×:5)+(×+78)=313 Есепте

Answer 1

х+(х:5)+(х+78)=313

х+$\frac{1}{5}x+x+78=313$

$\frac{11}{5}x+78=313$

11x+390=1565

11x=1565-390

11x=1175

x=$\frac{1175}{11}=106\frac{9}{11}$

Answer 2

Ответ:

$x + (x \div 5) + (x + 78) = 313 \\ x + ( \frac{1}{5} x) + x + 78 = 313 \\ x + \frac{1}{5} x + x + 78 = 313 \\ \frac{11}{5} x + 78 = 313 \\ 11x + 390 = 1565 \\ 11x = 1565 - 390 \\ 11x = 1175 \\ x = \frac{1175}{11}$