Question

If (2, 0) is a solution of the linear equation 2x +3y = k, then the value of k is:

a) 4

b) 6

c) 5

d) 2

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Answer 1

Answer:

a because x = 2 y = 0 so 2x = 4 3y= 0 so 4-0 =k so k = 4