1.

–1 is not a solution of the equation(a) x + 1 = 0 (b) x – 1 = 2 (c) 2y + 3 =1 (d) 2p + 7 = 5

Answer»

Correct answer is (b) x - 1 = 2.

x - 1 = 2

-1 - 1 = 2

-2 ≠ 2



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