10$e^{x}$cos(x)-12$e^{sin(x)}$-6ln($x^{2}$+1)+7
x=2.5
(-y-5)(-3y+1)(5y-1)=0
solve for x 15=5(6x-9)
what is 1947 minus 2004
solve for x 11=3x-13
6-(2x-1)=3x+5
4x=7y-9x
find x in
x+5=2x-1
(5x-4)(10x-13)=52
