If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(-12)=-5
We move all terms to the left:
f(-12)-(-5)=0
We add all the numbers together, and all the variables
f(-12)+5=0
We multiply parentheses
-12f+5=0
We move all terms containing f to the left, all other terms to the right
-12f=-5
f=-5/-12
f=5/12
| 00.4y=26 | | -2x+8=12x-20 | | 4x+6=5x-2/5 | | 0.4(5x–12)+0.5x= | | 4.5y=23 | | −3x+3=−15 | | 12/3x-5=9/12 | | 3(2x-4)=8(5x-1) | | 4e-3(2e-2)=3(e+8 | | 15x-7+-3+151=180 | | (2x-1)^4/3=625 | | 0.38y=133 | | 5xx/2=11 | | ((2x-17)+9)9=188 | | 7x+2/2=5x+4 | | 7b÷÷3=21 | | ((2x-17)+9)9=(10+8)8 | | 9+263=-4(-7v-5) | | t2=121/196 | | 2.5+40c=175 | | U+4(u+2)=3(u-3)-9 | | -6y-5=27-2y | | r=12/(2)(3.14) | | 86=2+2(6+6r) | | 1/5y+5=-8 | | -3x+151+15-7=180 | | 113=-85–11x | | x*0.28=324 | | 21=n-12 | | q➗3=27 | | 6x-3=2x+8/4 | | y/7+11.3=-11.1 |