Question

Solve x-3=4 and state the Euclid's axiom used.

Answer 1

x-3=4

adding 3 both sides

x-3+3=4+3

x=7

THE AXIOM USED HERE IS :

If equals are added to equal then the wholes are equal.

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Answer 2

solution:

x - 3 = 4

adding 3 on both sides

x - 3 + 3 = 4 + 3

x = 7