-(7.7х+2.2)-(5.5х-9.9х)=1.1

Question

-(7.7х+2.2)-(5.5х-9.9х)=1.1

Answer 1

-7,7х-2,2-5,5х+9,9х=1,1
-3,3х=1,1+2,2
х=3,3/-3,3=-1

Answer 2

-7,7x-2,2-5,5x+9,9x=1,1
-7,7x-5,5x+9,9x=1,1+2,2
-3,3x=3,3
x=-1