Question

resolver por metodo de igualacion 3x-2y=-2 5x=8y=60

Answer 1

3x - 2y = -2
+ 2y. +2y

3x= -2 +2y / 3

5x - 8y = 60
+ 8y. + 8y

5x = 60+8y / 5


-2 + 2y/ 2 = 60+80y / 5

2(60 + 80 y) = 5(-2+2y)

120+160y = -10+10 y
-120 -10y

160y -10y = -10 -120
150 y = -130/150
Y= -0.86