himpunan penyelesaian dari sistem persamaan 2x-3y=3 dan x+4y=7 adalah

jawab
persmaan linier

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

2x - 3y = 3
2x + 8y = 14 .....(-)
-11y = -11
y = 1

x + 4y = 7
x + 4 = 7
x = 3

(x,y)= ( 3, 1)

2x - 3y = 3
2x + 8y = 14
-11 y = -11
y = 1

x + 4y = 7
x + 4 = 7
x = 3
( x,y ) = ( 3,1 ).

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