Помогите: 3(х-5)=х+3 и 1,5(х+8)=-4х+1

Question

Помогите:
3(х-5)=х+3 и 1,5(х+8)=-4х+1

Answer 1

3(х-5)=х+3
3х-15=х+3
3х-х=3+15
2х=18
х=9

1,5х+1,5*8= -4х+1
1,5х+4х=1-12
5,5х=-11
х= -2

Answer 2

3х-15=х+3
3х-х=3+15
2х=18
х=9

1,5х+12=-4х+1
1,5х+4х=1-12
5,5х=-11
х=-2