Question

Himpunan peyelesaian dari sistem persamaan {-5x+3y=0 adalah...
{2x+4y+26=0

Answer 1

-5x+3y=0 |*4
2x+4y=-26 |*3

-20x+12y=0
6x+12y=-78
__________-
-26x = 78
x= 78/-26
x-3

-5x+3y=0
-5(-3) +3y=0
15+3y =0
3y=-15
y=-15/3
y=-5

x=-3
y=-5
sory kalo kurang tepat