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2x+3y=8 4x+6y=7 solve by elimenation and …

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2x+3y=8 4x+6y=7 solve by elimenation and subtitution

Posted by Veer Patel? 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 6 years, 10 months ago

Let 2x + 3y = 8 be eq(i) and 4x + 6y = 7 be eq(ii).

Now, From eq(i),
2x + 3y = 8
2x = 8 - 3y
x = (8 - 3y)/2

Putting the Value of x in eq(ii),

4x + 6y = 7
4(8 - 3y)/2 + 6y = 7
2(8 - 3y) + 6y = 7
16 - 6y + 6y = 7
16 = 7
16 - 7 = 0
9 = 0

That is not true.

From the Calculations, We can see that the Equations has no solution.

3Thank You

ANSWER

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CBSE > Class 10 > Mathematics