Question

how many solutions of linear equation 2 x - 5 Y = 7 has?

Answer 1

This linear equation has infinite solutions for both the variables.

Answer 2

2 x -5 Y = 7
$- 5y = 7 \div 2 \\ -5 y = 3.5 \\ - y = 3.5 \div 5 \\ - y = .7 \\ now \\ y = - .7$