A math god's answer to Shalyn's Secondary 3 A Maths Singapore question.

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A math god
A Math God's answer
49 answers (A Helpful Person)
1st
Transform 3y+7=29 into y=Mx+c and after doing it u will find that this equation is a horizontal line. On top of that the equation u are trying to find us parallel to this equation hence we know that the gradient of this two equations are the same. Both of them are horizontal line