If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(100)=40+0.15F
We move all terms to the left:
(100)-(40+0.15F)=0
We add all the numbers together, and all the variables
-(0.15F+40)+100=0
We get rid of parentheses
-0.15F-40+100=0
We add all the numbers together, and all the variables
-0.15F+60=0
We move all terms containing F to the left, all other terms to the right
-0.15F=-60
F=-60/-0.15
F=+400
| -1/3x+1=-2 | | (3)/(2)w=30 | | -5-9x=50 | | -19z+18=-19z+18 | | 3a-3a+3a+3a-4a=16 | | -6(1+3r)=31 | | 85=-3+1x | | 50+.3x=20+.4x | | 9x-5=(1)/(4)(16x+60) | | 10x+3(2-4x)=2 | | 12x-3=12x+8 | | |2x|-6=0 | | 3x+6+7x=-4 | | 5x+2+7x+3=65 | | (2/x+1)+3x=4 | | 5/6x-2/3x=4 | | 6x-4(3-2x)=5-36 | | -6x-1=-8+(1+7x) | | -5(v-4)+3(v+1)=2v-10 | | x+x+20+x/2=120 | | 91=1/2*7(x+20) | | 2+32–1x92÷9+11–=5 | | 50=x+20+x-10 | | -7-3(1+8d)=-28 | | -4(1-3m0-6m=-19+m | | 2w+3=24 | | 6z-3z+z-3z=11 | | (x-3)/8=(x-4)/7 | | 8(−7x+6)=-56x+49 | | 104+44+18+7x=180 | | 90=7x+28 | | 7x-4-9x=6+3x-4 |