Помогите! -(3.3х+1.2)-(0.7х+1.6)=0

Question

Помогите! -(3.3х+1.2)-(0.7х+1.6)=0

Answer 1

-(3.3Х+1.2)-(0.7Х+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

ответ: -0.7

Answer 2

-(3.3х+1.2)-(0.7х+1.6)=0