Solve the following system of equations using the substitution method. y = x – 1 2x – 3y = –1

4/15

Step-by-step explanation:

-12x-3y= -1

-12x-3(x-1)= -1  

-12x-3x+3= -1

-15x+3= -1

-15x= -1-3

-15x= -4

x=4/15

the correct answer to your question is a. 4^4

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step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.