Question

3-y=4 tell me answer Step by step ​

Answer 1

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Answer 2

Answer:

y = -1

Step-by-step explanation:

3-y = 4

-y = 4-3

-y = 1

y = -1

prove

y = -1

p(y) = 3-y = 4

p(-1) = 3-(-1) = 4

• 3+1 = 4
• 4 = 4

proved

note:- remember (-)(-) = (+)

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