If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5c-40=3c
We move all terms to the left:
5c-40-(3c)=0
We add all the numbers together, and all the variables
2c-40=0
We move all terms containing c to the left, all other terms to the right
2c=40
c=40/2
c=20
| 10s+36=4s+90 | | 10s+36+4s+90=180 | | s+6=3s-68 | | 12x+32=10 | | x+5/3=-7 | | u=4u-70 | | p+69=5p+57 | | t+7=3t-1 | | 7u-91=5u-55 | | y=2y-31 | | 6u+14=5u+23 | | 2t-21+t+53+t=180 | | -4.5z=-18 | | v-25=2v-92 | | 7(2e+3)=3(4e+) | | 15x-2=3((5x+7) | | Y=0.12x-16 | | 2x+35)=(8x-49) | | 3(2x+2)=2 | | 3(2x-4)=4x-18 | | 1/3h=2=3 | | 11x+13-9x-24=90 | | 3(3m+4)=3(4m+7) | | P2+5p-20=0 | | 414=69s | | 42=s | | 2(2x+8)-4=20 | | 2/3^(3x+2)=3/4^(2x-3) | | 4x+5=3x-2. | | -30=-2b+2 | | 10+3a=5a | | 6x+-1+121=180 |