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Solve the pair of linear equation by sub...

Solve the pair of linear equation by substitution method.
`0.2x+0.3y=1.3, 0.4x+0.5y=2.3`

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The correct Answer is:
`x=2,y=3`
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UNIQUE PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -UNIQUE PRACTICE SESSION (3 MARKS QUESTION)
  1. Solve the pair of linear equation by substitution method. s-t=3,(s)/...

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  2. Solve the pair of linear equation by substitution method. 3x-y=3, 9x...

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  3. Solve the pair of linear equation by substitution method. 0.2x+0.3y=...

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  4. Solve the pair of linear equation by substitution method. sqrt(2)x+s...

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  5. Solve the pair of linear equation by substitution method. (3x)/(2)-...

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  6. Solve 2x+3y=11 and 2x-4y=-24 and hence find the value of m for which y...

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  7. Sum of the ages of a father and the son is 40 years. If Father's age i...

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  8. Solve the simultaneous equations. 45x+4y-4=0, x-12y-20=0

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  9. Solve the simultaneous equations. 15x+82y=21, 17x+15y=11

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  10. Solve (4)/(x)+(5)/(y)=7, (3)/(x)+(4)/(y)=5

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  11. The difference between two numbers is 26 and one number is three ti...

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  12. The larger of two supplementary angles exceeds the smaller gby 18 degr...

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  13. Solve the pair of linear equation. 8x+5y=9, 3x+2y=4

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  14. The coach of cricket team buys 7 bats and 6 balls for Rs. 3,800. Later...

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  15. Meena went to bank to withdraw Rs. 200 She asked ithe casher to give h...

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  16. A fraction becomces (1)/(3), when 1 is subtracted from the numerator a...

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  17. 4 chairs and 3 tables cost Rs. 2100 and 5 chairs and 2 tables cost Rs....

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  18. Solve the x and y: 2x-y+3=0, 3x-5y+1=0

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  19. Five years ago, A was thrice as old as B and 10 years later, A shall b...

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  20. Solve the following simultaneous equations using Cramer's Rule. 5x+3y...

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