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9x-10y=-12 2x+3y=13 Solve by substituting method

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9x-10y=-12 2x+3y=13 Solve by substituting method

Posted by Mann Bhatnagar 5 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Rajesh Gulati 5 years, 4 months ago

9x - 10y = - 12 X = ( 10y - 12)÷9 2 ( 10y - 12)/9 + 3y = 13 47y - 24 = 117 47y = 141 Y = 3 X = ( 10 × 3 - 12)÷9 = 2

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CBSE > Class 10 > Mathematics