Question:

Solve it algebraically or using matrices.

2x (1) + 2x (2) + 9x (3) = 7

Answer:

Step 1:

2x (1) + 2x (2) + 9x (3) = 7

Step 2:

let x (2) = t, X (3) = v

Step 3:
7 – 2t – 9v
X (1) = __________________
2

Step 4:

Need Help with other College Math Questions? Download Intellecquity Now!