the teacher said" I have thought of a number. if you add 7 to 3 times the number you get 31.what number have i thought of ? can you answer the teacher's questions?
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Let the no. be y
A.T.Q.
7+3y=31
3y=31-7
3y=24
y=24/3
y=8
A.T.Q.
7+3y=31
3y=31-7
3y=24
y=24/3
y=8
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