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## Homework Statement

Find constants a and b such that y=ax + b is a solution to the differential equation

dy/dx = 4x - 2y

## Homework Equations

## The Attempt at a Solution

I already have the solution that is:

a=4x-2 (ax+b) (I'm fine with this part)

a = (4-2a) x - 2b (what happened here?)

4-2a=0 (why?) a= -2b (why?)

a= 2

b=-1