# JMathLabTutorial:Equations (Differential)

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# Differential Equations

**ode(expression,y,x)** solves the linear first-order differential equation [math]y'=f(x)\cdot y + g(x)[/math]. expression is the complete right-hand-side of the equation, x and y are symbolic variables. Free constants in the solution are marked C.

Let's give an example; $y'= x y$.

Another example: $y'= -k y$.

or $y'= y \tan(x)+\cos(x)$.