**Problem :**

Looking for solution on following issue

**error: the expression to the left of the equals sign is not a valid target for an assignment**

0 votes

To ressolve your issue you must use the double equal sign in the equation ==.

Use the == operator to specify the equation e.g. sin(x) == 1 and solve it.

Also you must declare the symbolic variable t before attempting to solve the equation. The error free code should look like following:

syms t

solve(t*(t+0.09)*(t+484)*(t+10000) == 1, t)