Write which of the following is a linear equation in one variable: a) 2—4 + 3 = 0 b) 6—2 = 7 c) 3— 1 =—2

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Write which of the following is a linear
equation in one variable:
a)
2—4 + 3 = 0
b) 6—2 = 7
c) 3— 1 =—2
d) —3 =
e) 3 + 2 = 4( + 7) + 9