An equation where q = 240
658.4
first law of thermodynamics apex
-13
7q+13 = 52 7q = 52-13 7q = 39 q = 39/7
-11
w + 13 = 39Subtract 13 from each side:w = 26
An equation where q = 240
If -3q + 4 = 13 then 3q = -9 : q = -3 If 6q = 13 then q = 13/6 = 2 1/6 The question contains an anomaly and is invalid.
863.78
658.4
First law of thermodynamics
first law of thermodynamics apex
-12q+4=q-6 4-6=q+12q -2=13q q=-2/13
-13
7q+13 = 52 7q = 52-13 7q = 39 q = 39/7
3x - 7 = 5x + 13-2x = 20x = -10