<span>(x - y + 1) - (x + y - 1)
x - y + 1 - x - y + 1
= (x - x) + (y - y) + (1 + 1)
= -2y + 2
In short, Your Answer would be: -2y + 2
Hope this helps!</span>
W + 3w = 90 is obviously wrong
Well number one is an acute angle number two is obtuse and number three is obtuse
