Solve the system of equations.

{y=3x−7
{15x−5y=14

use the substitution method.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

1. perpendicular

2. parallel

3. perpendicular