Answer:
C = -35°
Explanation:
Given °F is 4° more than the °C.
F = 4 + C
F - 4 = C
The conversion equation for celcius to fahrenheit is
F = (9/5)C + 32
Use this to substitute in your equation
F - 4 = C
((9/5)C + 32) - 4 = C
(9/5)C + 28 = C
28 = C - (9/5)C
28 = -(4/5)C
-35 = C
C = -35°