If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c in (-oo:+oo)
15*c+30 = (1/3)*(102-(12*c)) // - (1/3)*(102-(12*c))
15*c-((1/3)*(102-(12*c)))+30 = 0
(-1/3)*(102-12*c)+15*c+30 = 0
15*c-1/3*(102-12*c)+30 = 0
15*c-1/3*(102-12*c)+30 = 0
19*c-34+30 = 0
19*c-4 = 0
19*c-4 = 0
19*c-4 = 0 // + 4
19*c = 4 // : 19
c = 4/19
c = 4/19
| (150/(25))=300/(2(-25)) | | (15/x)=(6/x)+7 | | -17-(-3)=h | | (15/x)-5+7=25/(x-5) | | (15/x)+(9x-7)/(x+2)=9 | | (15/k+5)=4(-3k/k+5) | | 5x-8x=3x+12 | | -x-5=-1 | | (15/2)y-10-7y=-10 | | (15-9y)2/3=14 | | (15-5x)/5=0 | | 12/4 | | (15+g)/3=-9 | | (15)/(5x-5)+(1/5)=(3)/(x-1) | | (14x-9)/(7x+3)=2-4/x | | (14X-7)/-5x=0 | | (14x-65)/6=5x-2 | | 12x^2+27x-12=0 | | (14x-3)/(7x+3)=2-(2/x) | | (14x-3)/(-5x+5)=3 | | (14x+22)/(x+2)=-3x+1 | | (14n-7)/5=7 | | (14/x-5)+(3x+2/x)=0 | | (14/x-5)+(3x+2)/x=0 | | (14/x)x60=20 | | (14/(x-5))+((3x+2)/x)=0 | | (14-d)/3=5 | | (14+18+x)/3=17 | | (14)/(x-5)+(3x+2)/x=0 | | (14((12-2y)/7))+4y=24 | | c/2-c-4/4=5/4 | | (x)/5-(x-2)/4=(3)/4 |