Rearrange the equation so w is the independent variable.

−2u+6w=9

Step-by-step explanation:

we have

Solve for u

That means ------> isolate the variable u (dependent variable)

Subtract 6w both sides

Divide by -2 both sides

u = -9/2 + 3w

Step-by-step explanation:

Hi, An Independent Variable in an Equation is a variable that may have its value freely chosen without considering values of any other variable. Is also known as the input value of a function.

So, to rearrange we have to isolate u:

-2u+6w=9

-2u =9 -6w

2u = -9 +6w

u= (-9 +6w)/2

u = -9/2 + 3w

Feel free to ask for more if needed or if you did not understand something.

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step-by-step explanation: