Given `3[[x, y],[ z, w]]=[[x,6],[-1, 2w]]+[[4,x+y],[ z+w,3]]`, find the values of x, y, z and w.

Explanation

To solve the equation given in the question, we will follow these steps:

### Step 1: Write the equation
We start with the equation:
\[ 3 \begin{bmatrix} x & y \\ z & w \end{bmatrix} = \begin{bmatrix} x & 6 \\ -1 & 2w \end{bmatrix} + \begin{bmatrix} 4 & x+y \\ z+w & 3 \end{bmatrix} \]

### Step 2: Simplify the left-hand side
Multiply the matrix on the left-hand side by 3:
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