Solving systems of equations using substitution x=3y+10. x=y+2

x=-2, y=-4. (-2, -4).

Step-by-step explanation:

x=3y+10

x=y+2

3y+10=y+2

3y-y=2-10

2y=-8

y=-8/2

y=-4

x=-4+2=-2

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step-by-step explanation:

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints