Question

20 – 3(х+8) = 5х + 12

Answer 1

20-3(х+8)=5х+12
20-3х-24=5х+12
-3х-5х=12-20+24
-8х=16
х=-2

Answer 2

20-3(x+8)=5x+12.
20-3x-24=5x+12
-3x-5x=12-20+24
-8x=16|:(-8)
x=-2