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Solve by cross multiplication method:? 3 + ? 4 = 1, 5? 6 - ? 3 = -7

Posted by Kishor Kishor 7 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Manjhi 7 years, 6 months ago

X. Y. 1. 4. -1. 3. 4 -3. 7. 56. -3 ~ x. = y. = 1 (4*7) - (-1*-3) (-1*56)-(3*7). (3*-3)-(4*56) X. = Y. = 1 28- 3 -56-21. -9-224 X. = Y. = 1 25 - 77. -233 = x= 25/-233 y=-77/-233

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