Question

0,27x+x-0,18=7,63


237,8÷4÷x-4,5=24,5

Answer 1

1,27х-0,18=7,63
1,27х=7,63+0,18
1,27х=7,81
х=7,81/1,27
х=6,149


59,45/х-4,5=24,5
59,45/х=24,5+4,5
59,45/х=29
х=59,45/29
х=2,05