If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(-10)=-138
We move all terms to the left:
f(-10)-(-138)=0
We add all the numbers together, and all the variables
f(-10)+138=0
We multiply parentheses
-10f+138=0
We move all terms containing f to the left, all other terms to the right
-10f=-138
f=-138/-10
f=13+4/5
| 2x-7=+11 | | 2x•3x=90 | | 68=-14+9x | | (-2x+5)+(4x–2)= | | F(12)=2/3x-3 | | 3(25x)=408x | | 3+9x+8x+10=180 | | 2(4x-7)=44 | | -7+14x=75 | | 2(8x-7)=44 | | a-95,533=125,000 | | 8x+0.09=1.69 | | 9x+6=94+6=100 | | 8d+24=36 | | 11+3(8-7x)=17-18x | | 5(2x3)=6x+9 | | m-2.5=45 | | k/7=-14 | | x2=144/81 | | 3x+20=x80 | | 28-2x=-12 | | 97=4x+81 | | 19=2x+12 | | 7x+2+6x+11=180 | | 6.6=w-17 | | -5/8+10x=-8 | | 7(x−1)= | | 4x-2=9x+23 | | (2x-2)^(2)=34 | | 1+x-3/x+3=2 | | 2+5=-x+8 | | 1/2(2x-12+6x-8)=3x-1 |