Question

Metodo Grafico



3x+2y=7
4x-3y=-2

Answer 1

y = $\frac{7- 3x}{2}$ = $\frac{7-3(1)}{2}$= 2

4x - 3 ( $\frac{7- 3x}{2}$ ) = -2
4x - $\frac{-21+ 9x}{2}$ = -2
8x+9x-21 = -4
17x=17 
x = 1