If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-15+f=-9
We simplify the equation to the form, which is simple to understand
-15+f=-9
We move all terms containing f to the left and all other terms to the right.
+1f=-9+15
We simplify left and right side of the equation.
+1f=+6
We divide both sides of the equation by 1 to get f.
f=6
| y+19=24 | | 7w-2/5=-1/5w-1/3 | | 3c-7+2c=23 | | (x^3+4x^2-12x)/4x | | 15+g=23 | | Q+5=2q+1 | | 7/4-3/2 | | z+16=19 | | 7x+13=x-5 | | (2y+3)/y=3/2 | | -4y^2+1=-6y | | 8t-2t=30 | | (9x-1)(9x+1)=0 | | 4(2x-3)=5x+25 | | z+12=16 | | 4y^2+1=-6y | | 3y+5y=24 | | 3(x-3)=84/14 | | y+18=23 | | 0,8m=24 | | 3x*11=(5x+2)6 | | 21/9x54/5 | | 1/3a-1/3=-6 | | 2y+3/y=3/2 | | -3/8+y=-4/5 | | .95X+.05(6-X)=.1(-141) | | 102-x=87 | | 2/5x+4/5x-6=x+7 | | 8(2n+2)=9(6n+3)+4 | | 4-9w^2+6w^4-w^6=0 | | 1/9(2x-3)=7 | | 5+p=19+8 |