Question

решите уравение

4-5(3х+2,5)=3х+9,5 

Answer 1

4-15x-12/5=3x+9/5

-18x=18

x=-1

Answer 2

4-15x-12,5=3x+9,5

-18x=9,5-4+12,5
-18x=-18

x=1