If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10=8+9+12+c
We move all terms to the left:
10-(8+9+12+c)=0
We add all the numbers together, and all the variables
-(c+29)+10=0
We get rid of parentheses
-c-29+10=0
We add all the numbers together, and all the variables
-1c-19=0
We move all terms containing c to the left, all other terms to the right
-c=19
c=19/-1
c=-19
| )12h=4(2h−5) | | X+(x+7)=68 | | 9/25=x-2/5 | | 1/3+2/3=8n-3(n-4) | | 6|-3+x|+6=42 | | -4(2b-7)=44 | | 87=3(1-7b) | | 23=2-3v | | 11=0.5(3x-6) | | 63x7=7x | | 11d^2+3=0 | | -6(2n-7)+8=134 | | 5c-15=2c+67 | | 197=-7(4v+1)-6v | | 11=1/2(3x-6) | | 3x/5+6/7=72/35 | | 9=7+n/4 | | 4÷x=x÷9 | | 4x-12+4x-12=4x+6 | | -6(2n-7)+8=135 | | 2f(-1.5)=-3(-1.5)+5 | | 6/5x-1/2=2 | | 3x-5=-48 | | -2n-6=n-3 | | x^2-100x+200000=0 | | k+8/25=1 | | z/23=22 | | 2(x+3)+7x=3(x-2)-9 | | -82=2(8+7r) | | -7=(-c/6)+12 | | 4(1-8x)=260 | | (3x-22)=(2x-5) |