1)x=5/7
2)x=15/7
3)x=29/153
х+2/7=1
х=1-2/7
х=5/7
х3/5=1 ц 2/7
х=1ц2/7÷3/5
х=9/7×5/3
х=15/7=2ц1/7
4/9х=8/17
х=8/17÷4/9
х=18/17=1ц1/17
1)x=5/7
2)x=15/7
3)x=29/153
х+2/7=1
х=1-2/7
х=5/7
х3/5=1 ц 2/7
х=1ц2/7÷3/5
х=9/7×5/3
х=15/7=2ц1/7
4/9х=8/17
х=8/17÷4/9
х=18/17=1ц1/17