the different between x is equal 36
simplify 5+2d+4d+2
simplify 2m+6+3m-4
x increasedby y
simplify 2y+3y+7
20/(7x-6)=4
simplify 3x+6+2x+7
20/7x-6=4
volumen de revolución 3x^2 + 2 entre las rectas x =1 y x = 3
x+30=x $\sqrt3$
