1.

The value of y in the equation y – 9 = (-5) + 7 is ……….

Answer»

11

Given,

y – 9 = (- 5) + 7

y – 9 = 7 – 5 (re-arranging)

y – 9 = 2

∴ y = 2 + 9 = 11 (by transposition method)



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