Question: Numerical sol. of a diff equation as an input to anohter differential equation


I have two ordiary differential equations to be solved numerically. One of the equations can be solved independently (no need to solve the 2nd differential equation). However, in order to solve the 2nd differential equation, I need the numerical solution from the 1st one. 

sol1:=dsolve({ode1,x(0)=x__0, D(x)(0)=x__1},numeric, x(t), parameters=[a,b,c])


Now, I need to solve the 2nd differential equation which will give me y(t), but the differential equation depends on the function of x(t). What is the syntax of dsolve which incorporates the solution of another differential equation?



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