It changes because two negatives make a positive!!!!!!!!!!!!
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because of mathematical equivalence: it doesn't change the result
show how to solve -2X-4<10 -2X<14 X>-7 (you must change the sign when multiplying or dividing by negatives) Not sure what show steps of how to solve- 10 of 90 means
a car braking is a negative rate of velocity change
Rise/run or y-value change (can be negative) / x-value change (can be negative)
No, only the units of measurement are changed.