If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15f+12-9-11f=43
We move all terms to the left:
15f+12-9-11f-(43)=0
We add all the numbers together, and all the variables
4f-40=0
We move all terms containing f to the left, all other terms to the right
4f=40
f=40/4
f=10
| x-3+6x+9=48 | | S(p)=12.32*p/162 | | (3h+5)2=-8 | | 3x+6+2x+5=36 | | -5+-2*x+x=-38 | | a=3b=2 | | 24x-12=12(-1+2x) | | -13x/4=-26 | | 11x+7=5x+9 | | 22=-11x/5 | | 52=0.5(x-162) | | X=18850+(-0.1287x) | | 75=0.5(x-91) | | 75=1/2(x-91) | | x=10000+(-0.12x) | | 2^2+6x-5=0 | | 8+n4=4 | | 16(2x-5)=14(x+11) | | 16•2x-5=14•x+11 | | x+20=2x-15=x+45 | | -8/x=-7/2x-3 | | X=500x(1+0.10)x4 | | -16t^2+116t-28=0 | | 8.x=x+35 | | 3x+5(x-10)=0 | | 3(5a-1)-6(2a+3)=2(a+2) | | −12-a=4a−7 | | 2x+5=3x-70= | | 4x-31=2x+7= | | 4x-31=2x+7+ | | 3x+(x-6)=38 | | 3x-10=2x+45= |