-(3.3x+1.2)-(0.7x+1.6)=0

Question

-(3.3x+1.2)-(0.7x+1.6)=0

Answer 1

-(3.3x+1.2)-(0.7x+1.6)=0

-3,3х-1,2-0,7х-1,6=0

-3,3х-0,7х=1,6+1,2

-4х=2,8

х=2,8/ (-4)

х=-0,7

 

 

 

 

 

 

 

 

 

 

Answer 2

-(3.3x+1.2)-(0.7x+1.6)=0

-3,3х-1,2-0,7х-1,6=0

-4х-2,8=0

-4х=2,8

х=-0,7