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3x-4y=7 and 5x+2y-3=0 using cross multiplication method |
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Answer» Step-by-step explanation: given equation ... 3x-4y-7=0. ......(1). 5x+2y-3=0. .......(2).l by use CROSS MULTIPLICATION method ......... l x/(b1c2-b2c1). = y/(c1a2-c2a1). = 1/(a1b2-a2b1). so... so... x/(12+14) = y/(-35+9). = 1/(6+20). take here... x/26= 1/26. ( x= 1).... and ... y/-26=1/26. y/-26=1/26. ( y= -1).. |
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