For questions 31 the answer is : 3y+5
Work:
3(y+4)-7
You distribute 3(y+4) which equals 3y+12 because you multipy.
Now its :
3y+12-7 so, you subtract 12-7 which equals 5 .
Your answer is now:
3y-5
· When disturbing you only multiply whats inside the perenteses (spelled wrong).
