А) d×7,4-(-5,8)= -13,44

Question

А) d×7,4-(-5,8)= -13,44

Answer 1

Совсем просто
d×7,4-(-5,8)= -13,44
7.4d-(-5.8)=-13,44
7.4d+5.8=-13,44
7.4d=-13,44-5.8
7.4d=−19,24
d=−19,24:7.4
d=-2.6

Answer 2

Д*7.4=-13.44-5.8
7.4д=-19.24
д=-19.24:7.4
д=-2.6