Question

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

Answer 1

Step-by-step explanation:

Given equations: 2x+3y=11 and 2x-4y = -24

Subtracting: we get 7y=35

This gives y=5

Substituting this in eq 1: 2x+3(5)=11

This gives 2x+15=11

Or 2x = -4

Or x = -2

For second part: Substitute x and y in given equation

5=m(-2)+3

5=3-2m

2m = -2

Thus, m = -1

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Answer 2

Answer:

Ans : m = -1

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