Question

If x= - 1, y=2 is a solution of the equation 3x + 4 y = k find the value of k

Answer 1

Answer:

put x=-1 and y=2 inthe equation

Explanation:

-3+8=k

5=5

Answer 2

Given,

x=-1

y=2

3x+4y=k

3×(-1)+4×2=k

-3+8=k

k=5

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