$\"\"$

The system of equations are $\"\"$ .

$\"\"$ ------------------> (1)

$\"\"$ ------------> (2)

$\"\"$ -------------> (3)

Use elimination to make a system of two equations in two variables.

Subtract equations (1) from (3).

$\"\"$

$\"\"$ --------------> (5) $\"\"$

Multiply equation (2) by 12.

$\"\"$ ------------------> (6)

Multiply equation (3) by 16.

$\"\"$ ------------------> (7)

Subtract equations (6) from (7).

$\"\"$

$\"\"$ --------------> (8)

Divide equation (8) by 16.

$\"\"$ --------------> (9)

Subtract equations (5) from (9).

$\"\"$ $\"\"$

Infinitely many solutions.