Question

If (2, -3) is a solution of the linear equation 2(x + 1) - 7(y-2) = 4k - 1.
Find value of k.​

Answer 1

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Given that x=2

y=-3

$2(2 + 1) - 7( - 3 - 2) = 4k - 1 \\ 6 + 35 = 4k - 1 \\ 41 = 4k - 1 \\ 42 = 4k \\ \\ k = \frac{21}{2}$

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Answer 2

Step-by-step explanation:

2(x + 1) - 7(y - 2) = 4k - 1

put x = 2 and y = -3

2(2 + 1) - 7(-3 - 2) = 4k - 1

2(3) - 7(-5) = 4k - 1

6 + 35 + 1 = 4k

42 = 4k

42/4 = k