[х-80]\40=640...................

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вопрос

To solve for x, we need to isolate x on one side of the equation.

First, let's simplify the left side of the equation by dividing by 40:

х - 80 = 640 / 40
х - 80 = 16

Now, let's isolate x by adding 80 to both sides of the equation:

x = 16 + 80
x = 96

Therefore, x = 96.