The equations that is written in standard form is 3X+5Y=-15 .
The Standard Form for a linear equation in two variables, x and y, is usually given as Ax + By = C where, if at all possible, A, B, and C are integers, and A is non-negative, and, A, B, and C have no common factors other than 1.
According to the question
equations is written in standard form which follow all these :
A, B, and C have no common factors other than 1.
A is non-negative
A, B, and C are integers,
which is only followed by equation
3X+5Y=-15
Hence, the equations that is written in standard form is 3X+5Y=-15 .
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