The map of Colorado scale says that the scale is 1 inch to 20 miles or 1 to 1,267,200. Are these two ways of reporting the scale
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Pretend the greater than or equal to sign is an equal sign, we will substitute it back in later.
x/2 = -4
Multiply both sides by 2 to get x alone
x = -8
Substitute the greater than or equal to sign back in and voila!
x≥-8