Question

очень срооочно!!
$45 \div 3 \frac{6}{13} - 13.6 + 1 \frac{3}{8}$
3,6+0,2х=0,3х+1,2

Answer 1

1) $\frac{45}{3 \frac{6}{13} } = \frac{45}{ \frac{45}{13} } = 45 * \frac{13}{45} = 13$

2) 3.6+0.2х=0.3х+1.2
3.6 - 1.2 = 0.3x - 0.2x
2.4 = 0.1x
24 = x