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3x+ 4 y = 11. 2 x + 3 y = 8 find x and y |
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Answer» Answer : By using substitution method
x = 8 -3y /2
3*(8- 3y) /2 +4Y = 11 24-9y /2 + 4y =11 24-9y +4y=11*2 24-5y =22 -5y =22-24 -5y = -2 y = 2/5 2x +3*2/5 = 8 2x + 6/5 = 8 2x = 8/1 - 6/5 2x = 40-6 /5 2x = 36/ 5 x = 36 / 5*2 x= 18/5 |
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