If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4f+9-f+1=40
We move all terms to the left:
4f+9-f+1-(40)=0
We add all the numbers together, and all the variables
3f-30=0
We move all terms containing f to the left, all other terms to the right
3f=30
f=30/3
f=10
| y=350(1+0.75)^4 | | 2284x=254 | | x÷4=38 | | 15u−7u=16 | | 200=x*1000^4 | | 38^2+13v=0 | | Y+0.005y=470364 | | 6.1=h/8 | | 3x-5+4x10=180 | | 33x=29 | | 29x=33 | | r2=288 | | 23=2c+8+3c | | w-34=681 | | 0.18x+x=470364 | | d-87/2=5 | | 3*(x+2)=-15 | | 8(2h-2)=7(3h+2)8(2h−2)=7(3h+2) | | -4+-z=-6 | | 15/35=4;n | | -0.1x^2+0.6-0.5=0 | | -3=27n | | 82=3^3x-5 | | 2y-72y=0 | | (2x-14)/4=6 | | 90=3/4d | | 4−6v=–5v | | 3/c=24 | | 19x=2320 | | 6×(2v-3)v=5 | | 15=-(k)/(4)-9 | | 23=n-23 |