Solve the equation for x. (round your answer to three decimal places.) arctan(4x − 4) = -1

take the inverse arctan on both sides:

4x-4 = tan(-1)

4x-4 = -0.01745

4x = 3.98255

x = 3.9255 / 4

x = 0.996

First lets subtract 3 from both sides. That gives us 5x = 7x-4. Then lets move the -4 to the other side reversing the sign. 5x+4=7x. Now lets subtract 5x from both sides. That will give us 2x = 4. Now all we need to do as a last step is divide by 2. That will give us x = 2. That is how you solve it in a nutshell

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