Math, asked by jahanvirajput8, 7 months ago

For 2x – 5y = 7 and x – 2y = (-7), a1b2 − a2b1 =______.

Answers

Answered by kabirbhagat77

2

Step-by-step explanation:

2x-5y_7

x-2y+7

- + -

x-7y-0

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