Question

-1.8=3.6x

Answer 1

Your equation is of the shape a*x = b. This can be simplified by dividing both sides by a, because:

(a*x)/a = b/a leading to:

(a/a) * x = b/a, for which holds that a/a = 1.

So the solution is then x = b/a. Can you apply this to your equation too ?