N+(74+9)=100=(N+74)+9
N+749)24+7)+=(
4
trignomatric ration solve formula
5xy- 25x225x^{2}25x2+50x-10y
(X+10)(4)
-5(Y-10)=-35
9(x-5)=-27
3(z+4)=18
-2(w+1)=14
-5(c+1)=15
6(x+1)=-12
