If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10(10+c)=400
We move all terms to the left:
10(10+c)-(400)=0
We add all the numbers together, and all the variables
10(c+10)-400=0
We multiply parentheses
10c+100-400=0
We add all the numbers together, and all the variables
10c-300=0
We move all terms containing c to the left, all other terms to the right
10c=300
c=300/10
c=30
| 9x-(2x+3)=39 | | (9x-8)(2x-7)=0 | | -10.9p+3.9=9.18 | | 65=20-(x-34) | | (-4d)-73=87 | | X+(4x+3)=28 | | 3^(x+2)=19 | | 19=12+x/5 | | -8(4+4f)=8(f+6) | | H=-5t^2+90t | | 7c-3=3+6C | | -2/34x-5=6 | | 4(7x-15)=108 | | 12w2−13w+3=0 | | (x-7)•(2x+16)=0 | | 21+u=4u | | 6u=-9 | | (x-8)^2=51.84 | | 45-2x=3x | | 2+4a+2a=2+6a | | 6(2x-8)+3=32 | | 2x(x+8)=2x-8 | | n+6n=-2n+1+8n+4 | | 36-12x=16-8x | | -8u+3(u+2)=-19 | | 6r-1=6+7r | | 6x-3+x/4=97 | | -2n-2=-4n-14 | | -4+2n=2+n | | -13-4v=-6v-5 | | 60=13c=-7c | | 2x+15+5x-2+90=180 |