If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.7-f0.5=0.3
We move all terms to the left:
0.7-f0.5-(0.3)=0
We add all the numbers together, and all the variables
-f0.5+0.4=0
We move all terms containing f to the left, all other terms to the right
-f0.5=-0.4
f=-0.4/1
f=-0.4
| 0.33333333(9x+3)=3x+1 | | 4m=2M-10 | | 10(t+8)=90 | | -6x+5(2x-3-15+8=0 | | 13/2z=7/14 | | -11+4(b+5)=13 | | (x+11)/3-5=1 | | 3(12x−16)=4(12−3x) | | 24=x+2.3 | | −6n−20=-2n+4(1-3n) | | 11+h=-7 | | n+2(4+5)=26 | | 5b-4=2b+14 | | X+1=4x+8=21 | | 9-5q-q=-10q+5 | | 19.7=x+7.8 | | 4t+9=-8+13 | | z+14=52 | | 26=24/x | | -2≥4p+6+4=-3=p | | 2y-5=-y-8 | | 2(4x-3)-8=4*2x | | x^2+9/49=6/7x | | 2x*2x+36=436 | | 2n+5-n=26 | | 12n+9=10n+13 | | 2(4-3x)+5(2x-3=20-5 | | 3(-n+2)=-54-9n | | 6x-14-2x=6 | | 2x-60+3x-10=180 | | x+14.9=26.2 | | h-6/8=9 |