If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10-8f=-9f
We move all terms to the left:
10-8f-(-9f)=0
We get rid of parentheses
-8f+9f+10=0
We add all the numbers together, and all the variables
f+10=0
We move all terms containing f to the left, all other terms to the right
f=-10
| 10–8f=-9f | | 7y-10=9y | | 5x-3=7x-15 | | 18+3x=1.5x+4x | | -10x^2+25x-3=0 | | X/3+3/x=17/4 | | 5x-6=2+3x+6 | | 3t+16.9=-(-11t-29.5) | | 3×c+4=19 | | 3t+16.9=-(-11t-29.5 | | -5a+59=-5(-4a+13.89) | | (y-4)^2=0 | | (y-4)²=0 | | 9^2x-1=2^5-5 | | 3x^2-300x+5000=0 | | 8x^-27x+9=0 | | n-2/2=17 | | 21x=396 | | x+0,25x=20000 | | 7y^2-2y-104=0 | | x+11+16+13=x+24 | | x^2+0,25x-20000=0 | | 108=x-(10x/100) | | 2/3-3/2x=20/3 | | 26x+1+50=1+39x | | -4(8a-2)+8(a-4)=-72 | | 10m-15=7m-45 | | x^2+1,25x-20000=0 | | 6(x+3)-8(8-6x)=8 | | 1/x+2/4=3/4 | | -9=-3(-5b+6)+3(b-3 | | 5u+3/(4)u=54–u |