1) 5x-4= 11
2) 15+ 1/2x= 9
3) 7x-6= -20
4) 8+ 4x = -12
5) You have downloaded 415 songs. Your equation would be 9.99+ .25x = 113.74, and then you’d subtract 9.99 from both sides, getting you .25x = 103.75. Then you’d divide both sides by .25 to get your answer
6) She can afford 10 hours of lessons. 725= 475+ 25x, subtract 475 from both sides, leaving you with 250=25x. Then divide both sides by 25 to get your answer
I can’t read 7 and 8 very well, could you possibly get a better picture of those two?