Question

4а-(8а+1)=(а+8)

4(10-х)=7(х+3)

Answer 1

4а-8а-1=а+8
4а-8а-а=8+1
-5а=9
а=-9/5= -1,8

40-4х=7х+21
40-21=7х+4х
11х=19
х=19/11= 1 8/11