Question

7(х+6)=4(5х+4) 1,5(х+8)=-4х+1

Answer 1

1) 7(х+6)=4(5х+4)  
7х+42 = 20х+16
-13х = -26
х = 2
2) 1,5(х+8)=-4х+1
1,5х+12 = -4х+1
5,5х = -11
х = -2