Question

1)8x-5=3x+12. 2)6x+12=4x-42. 3)9x-6=12x+45. 4)15x+48=4x-18

Answer 1

1 ) 8х-5=3х + 12
8х-3х=12+5
5х=17
х=17/5

2) 6х+12 =4х-42
6х-4х=-42-12
2х=-54
х=-27

3)9х-6=12х+45
9х-12х=45+6
-3х=51
х=-17
4) 15х+48=4х-18
15х-4х=-18-48
11х=-66
х=-6