If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6c-15=75
We move all terms to the left:
6c-15-(75)=0
We add all the numbers together, and all the variables
6c-90=0
We move all terms containing c to the left, all other terms to the right
6c=90
c=90/6
c=15
| 15=8x=47 | | 70=4c+10c | | 5w+16=51 | | -3+7(2+5x)=116 | | 8-3/4x=-4 | | a/2-7=3 | | 17(x-2)=-32-2+17x | | M(p+2)=2 | | 12=3+3w | | 3x+9=11x-23 | | N+8=24;n=16 | | 2(3x+4)+6=x+12 | | 5-3x=-5(7x-1) | | 875=x2 | | -y+12=3y-8 | | m2=0.09 | | 3+5a=2a-6 | | 4+8+s+s=33 | | -4y=-3y-4 | | -5(1-7x)-4x=243 | | 4z=24;z=4 | | g+28/7=8 | | x+34=−14 | | 44=-2c | | x+5+3x+2=6x-1 | | 4+8+s2=33 | | −36=-12r | | -(a-8)=25 | | 4x²=26 | | -3x+3x+6=6 | | f(-9)=2/3-9−7 | | 12=-8+4h |