The temperature decreased so you would subtract the amount from the original temperature.
The answer would be:
-15 - 10 = -25
Answer:
r=5
Step-by-step explanation:
1.simplify both sides of the equation.
2.substract 2r from both sides.
3.substract 12 from both sides.
4.multiply both sides by 5/(11)
5. your answer will be 5.
r=5
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