Question

-2x+4y igual a 7
3x-5y igual a 4

Answer 1

$- 2x + 4y = 7$

$- 2x = 7 - 4y$

$x = \frac{7 - 4y}{ - 2}$

$x = - \frac{7}{2} + 2y$

$3x - 5y = 4$

$3x = 4 + 5y$

$x = \frac{4 + 5y}{3}$

$x = \frac{4}{3} + \frac{5}{3} y$