If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-15f=3.36-12.9f
We move all terms to the left:
-15f-(3.36-12.9f)=0
We add all the numbers together, and all the variables
-15f-(-12.9f+3.36)=0
We get rid of parentheses
-15f+12.9f-3.36=0
We add all the numbers together, and all the variables
-2.1f-3.36=0
We move all terms containing f to the left, all other terms to the right
-2.1f=3.36
f=3.36/-2.1
f=-1+1/1.66666666667
| .125x=47.99 | | 0.2-0.08(x-10)=24.80 | | 0.50x+10.15(50)=44.5 | | y-7-3=(-2y+4) | | 1/2p=11 | | 4d-5-9d+17=0 | | 9y—2+y=5y+10 | | -6x+15=-4x | | x/8+(−69)=−92 | | x+40=360 | | 6.8x-3+x-2.1=0+0 | | 0=-16t^2+92t+140 | | 4n+8(3n-9)=12(2n+2) | | (3x+2)(x+5)=23 | | 4x+3=3x=8 | | 15x=-27x | | 8n+10=-24+7 | | (1/7)/x=14 | | (14x-3)+30=16x+11 | | x+1/3=5/13 | | y/2=-10/2 | | 10x-4+7=5x+5 | | 12x+37=-63+7x | | 8x=3(x+10) | | 36-3x=3-6(x-8) | | 14+3x=5x-4x | | a/9-5=7 | | -0.10(48)+0.55x=0.05(x-16) | | 3/2(x-3)-5=19 | | 1/9(x+1/9)=1/6(×-1/9) | | 3(p+7)=6(p+2) | | 4-5cc=1/2 |