Convert the following in standard form/slope intercept form 1.9x -3y=12
2.-12x +y=8
3.4x +2y=8
4.-27x -9y=18
5.y=x +2
6.2y= -5x +2
7.5y= x -10

Tell whether the given expression is a polynomial or not ,if it is polynomial determine it's degree and tell it's kind according to the number of terms if it is not explain why3x²x²-5xy103x²-5xy-x³-5x³-5x²+3x½-3x-41/3x3x³/4+63/x2-x²-1​please i need it right now!