Question

If 3x+ay=7, find the value of a (given, x=3,y=4)

Answer 1

-------------------here is your answer ⤵⤵⤵⤵⤵⤵

x=3,y=4

3x+ay=7

putting value of x and y,

3×3+4×y=7

9+4a=7

4a=-2

$a = \frac{ - 1}{2}$

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Answer 2

Answer:

a= -1/2

Step-by-step explanation:

3x + ay = 7

replacing X with 3 and Y with 4 ( as given )

3(3) + 4(a) = 7

9 + 4a = 7

4a = 7-9

4a = -2

a = -2/4

a = -1/2