If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2c+7c=55
We move all terms to the left:
-2c+7c-(55)=0
We add all the numbers together, and all the variables
5c-55=0
We move all terms containing c to the left, all other terms to the right
5c=55
c=55/5
c=11
| 140-w=22 | | 4.1h−19.94=7.9h+19.58 | | 36+2w=58 | | 16.21+.08x=16.96+.15x | | 24=4/8p | | -6x+9=25+2x | | 20+5r=-r-20+8r | | 15-8r-7r=-4r-8r | | 5x^2+7x−6=0 | | 262=-u+106 | | 2+6x=5-5 | | 2x=54=8x | | -2(-4x+7)-9x=3(x-1)-9 | | 291-w=67 | | 5(x-2)=20+2x | | (5b-8)-2(2b+2)=-5 | | 20+5r=-r−20+8r | | P=m/4 | | 32-7x=20+5x | | 15d+2=14d+20 | | 2+4x+20=6x+22-2x | | 7c–12=44 | | (-7+9p)(7+9p)=0 | | 3k=7k+3 | | (-16)*(2)^2+h=0 | | -7p+9=30 | | -3(x+8)=64x | | 8.8a-7.8a+6.5=6.2 | | -3(x+80=64x | | -c+66=-1 | | -3(-3.5+1.25y)-5y=-7 | | -5q=5 |