# Ordinary Differential Equations/First Order Linear 4

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**1)**

Step 1: Find

Letting C=1, we get

Step 2: Multiply through

Step 3: Recognize that the left hand is

Step 4: Integrate

Step 5: Solve for y

**2)**

Step 1: Find

Letting C=1, we get

Step 2: Multiply through

Step 3: Recognize that the left hand is

Step 4: Integrate

Step 5: Solve for y

**3)**

Step 1: Rearrange

Step 2: Substitute

Step 3: Find

Integrating Factor

Step 4: Solve for y