Question

Solution of the equations 7x+5y=12,5x-7y=-2 is not equal to
a) - 22/22,14/14 b) 33/33,44/44 c) 77/77,13/13 d) 16/16,15/15​

Answer 1

Answer:

B is the correct answer

Step-by-step explanation:

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Answer 2

Answer:

(a) - 22/22, 14/14

Step-by-step explanation:

In this case you don't have to solve the equation, just go over the options provided.

The options (b), (c), (d) have all fractions with (numerator = denominator) ⇒ fractions equal to 1. The option (a) provide the values for "x" and "y" as (- 1, 1).

Thus, the option (a) - 22/22, 14/14  is the answer for this task.