If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15=f-3
We move all terms to the left:
15-(f-3)=0
We get rid of parentheses
-f+3+15=0
We add all the numbers together, and all the variables
-1f+18=0
We move all terms containing f to the left, all other terms to the right
-f=-18
f=-18/-1
f=+18
| 6.9x+4.3=–4.7x+8. | | 3=-5+2u | | -20c=80 | | 2•(x+5)=19 | | -11=r-(-15) | | 1-3z/8=10-2z/10;2=-5 | | 6(-5n+3)+2=-166 | | 59+x+2=90 | | 6+y/4=-6 | | 1/3(9x-12)=2 | | 3(x-4(+6=5(x-1)+1 | | 4p+2p+2=3p-7 | | 2x+3x=30x-x | | 286=147-w | | -27=3(4x-7) | | -5=3v-8 | | 2x+3x=20x-x | | 2/3h-2/3h=-3 | | 4x(3x-1)=11x-3(x-4) | | 3x+x+3x+x=36 | | 3(x+4)-2x-8=2+9x+18 | | 167=-x+219 | | 2m+7=m+3+10 | | 9-m/4=-12 | | 4=x-(-17) | | 1−3z8=10−2z10;z=−5 | | 182/3.5=x/5 | | -y+101=259 | | -37+6x=-7(-5x-3) | | (D+m)A=2N | | x/3-21=15 | | 5(x+1)=7(x-3) |