Answer:
-x = -71
Step-by-step explanation:
Note that when x is positive, the number equal to it is positive too (71). Now, we are solving for a -x. To change a positive x to a negative x, you divide by -1. Note the equal sign, what you do to one side, you do to the other, therefore, you also divide by -1 to 71.
71/(-1) = -71
(x)/(-1) = -x
-x = -71
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