If it's not what You are looking for type in the equation solver your own equation and let us solve it.
+5C=15
We move all terms to the left:
+5C-(15)=0
We move all terms containing C to the left, all other terms to the right
5C=15
C=15/5
C=3
| 4c^=7c | | (4b+11)(3b-7)=0 | | 2(2x+3)=5(x-7)+12 | | x+2-4=13 | | √7y^2-6y-13√7=0 | | ∑k=14(2k2−4) | | 7m+4=3m+10 | | 5x-4x-3=-6 | | 3x=5=4x | | 3(x=2)=10 | | 45a=5 | | a•3+7=11 | | 2x+18=26−6x | | x·-22=-1 | | 10x+47=277 | | 20(z+30)=8-(-30z-40) | | 3x+29=71 | | 4x+35=103 | | 13=26-2y | | x2-2x=56 | | x2+2x+56=0 | | 3=y-5y | | 2x-10=2x-18 | | 2x-10=-10-18 | | 35(z+66)=6-(-70z-50) | | 5x^2-9x-2.5=0 | | 6x+(4-2)=10+4x-8 | | 30(z+60)=5-(-80z-55) | | 7(4x-9=-26+6x) | | 2x−11=9 | | -x-8=-5x-4 | | -2x+22=x+16 |