Question

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

3) 0.4(х-3)=0.5(4+х)-3.5

х= -7

Answer 2

спасибо

Answer 3

0.4х-0.5х=-0.5+1.2

Answer 4

0.1х=0.7

Answer 5

х=7

Answer 6

Незачто)