Question

find the value of k if x is equal to 2 and y is equal to 1 is a solution of equation 2x+3y+k​

Answer 1

2x+3y+k​ = 0 and x = 2, y= 1

2(2) + 3(1) + k =0

4 + 3 + k + 0

k = -4 -3 = -7

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