It would be: 180 - (48+46.7)
= 180 - 94.7
= 85.3 degrees
You first subtract 5x from both sides and end up with -3y=21-5x. In order to isolate the variable you need to divide -3 from both sides. Your equation would then be y= -7+ 5/3x. I hope this helps love! :)
If Helen takes 3 hours on Monday at p exercises per hour, then she does 3p exercises. If she does the same number in two hours, then every hour, she does 3p/2 exercises. <span />