Question

translate each sentence into an equation ;( 1 -.. four less than five times a number is equal to 11 = ?
(2- fifteen more than half a number is 9 . = ?
(3- six less than seven times a number is equal to _ 20 . = ?
(4- eight more than four times a number is _ 12 .= ?
please help brfore its 6 ;30 o clock DX i really want to go to the haunted house ... and am happy halloween =)

Answer 1

5n-4=11
1/2n+15=20
4n+8=12
unless those _ are supposed to be negative signs
then it would be
1/2n+15=-20
and 4n+8=-12

Answer 2

1) 5x-4=11

2)15+0.5x=9

3)7x-6=20

4)8+4x=12