2.6 + x = 10.4
What is x?

x = 7.8

Step-by-step explanation:

2.6 + x = 10.4

-2.6            -2.6

          x = 7.8

You do the inverse operations to find out x

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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