Question

решите 9x+18=-9 6(4x-7)=3(5-8x)​

Answer 1

1)
9х+18=-9
9х=-9-18
9х=-27
х=-27:9
х=-3

2)
6(4х-7)=3(5-8х)
24х-42=15-24х
24х+24х=15+42
48х=57
х=19/16
х=1,1875