solve 6x-7y=16,9x-5y=35 using cramer rule.
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Answer:
x = 5
y = 2
Step-by-step explanation:
6x-7y=16 Eq 1
9x-5y=35 Eq 2
7 * Eq 2 - 5 * eq 1
=> 7*9x - 5*6x = 7*35 - 5 * 16
=> 63x - 30x = 245 - 80
=> 33x = 165
=> x = 5
putting in eq 1
=> 6*5 - 7y = 16
=> -7y = -14
=> y = 2
x = 5
y = 2
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