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2x -3y = 7....1) 3x + y = 5. ==» y = (5-3x) ....2)subsitusikan...2) ke.... 1) maka
2x - 3(5 - 3x ) = 7
2x - 15 + 9x = 7
2x + 9x = 7 + 15
11x = 22
x = 22/11 = 2
dari...1) ==» y = 5 - 3x
y = 5 -3.2
y = 5 - 6
y = - 1
jadi HP = { ( 2, -1 ) }
Ignore yang lain :)
HP = himpunan penyelesaian