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Question

Solve 2x+3y=11 and 2x4y=24 and hence find the value of 'm' for which y=mx+3

A
3
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B
4
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C
1
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D
5
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Solution

The correct option is C 1
Given pair of equations are:
2x+3y=11..(i)
2x4y24...(ii)
Subtracting equation 2 from 1 will get
7y=35
y=5
now Substituting y in eq 1
2x+15=11
2x=1115
2x=4
x=2
In question given
y=mx+3
Now substituting x and y values in eq will get
5=2m+3
2m=35
m=1

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