Question

If x < y then x-1 < y-1
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Answer 1

Answer:

adding -1 on both sides we get this

Answer 2

Answer:

it's true

because you are subtracting the same number on both the sides

Step-by-step explanation:

consider x to be 5 and y to be 6

5<6

5-1<5-6

4<5

proved