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-6 = 5t+24 -5t = 24+6 -5t = 30 t = -6
5t - 7t = -2
-8+5T=-6 add 8 to each side 5T =8-6 5T=2 T=2/5 or T=0.4
5t - 1 = -11 Therefore, 5t = -10 t = -10/5 t = -2
The relationship between Celsius and Fahrenheit is:c = (5 / 9) * (f - 32)So if they are equal, we can simply note that c and f are equal in that equation, and then solve it. Let' call them both "t":t = (5 / 9) * (t - 32)∴ t = (5t - 160) / 9∴ t = 5t/9 - 160/9∴ t - 5t/9 = -160/9∴ 4t/9 = -160/9∴ 4t = -160∴ t = -40So -40°F = -40°C