5+1/2=4*х 3/5=x/150 X/169=1/13 14/28=x/156

Question

5+1/2=4*х
3/5=x/150
X/169=1/13
14/28=x/156

Answer 1

5+1/2-4=х. 1ц1/2=х. 5х=15*3. Х=45:5. Х=9. 28х=156*14 28х=2184. Х=2184:28 Х=78