1)-5(х-4)=5-12 2)(16х-5)-(3-5х)-6 3)26-4х-5х-7(х-3) 4)-2(3-4х)+5(2-1,6)=4. помогите пж

Question

1)-5(х-4)=5-12 2)(16х-5)-(3-5х)-6 3)26-4х-5х-7(х-3) 4)-2(3-4х)+5(2-1,6)=4. помогите пж

Answer 1

1)-5(х-4)=5-12
-5х+20=-7
-5х=-27
х=5.4

2)(16х-5)-(3-5х)-6=16х-5-3+5х=21х-8

3)26-4х-5х-7(х-3)=26-4х-5х-7х+21=-16х+47

4)-2(3-4х)+5(2-1.6)=4
-6+8х+2=4
8х=8
х=1