If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(4)=2-18
We move all terms to the left:
f(4)-(2-18)=0
We add all the numbers together, and all the variables
f4-(-16)=0
We add all the numbers together, and all the variables
f^4+16=0
We do not support efpression: f^4
| -10(s+4)=38 | | N(n-1)=171 | | 18-3x=17+8x | | 2/3x-16=1/3x+10 | | 3x+18=17-8x | | 18-3x=17-8x | | 25.7+6x=14.7+7x | | 7(2+t)=14(t-3) | | 4-2y=34-8y | | 6n=12/5 | | 8x=627 | | 7(x+5)=89 | | 8x=672 | | 5=60/c-5 | | (2x+19)+(2x+19)+(5x+7)=180 | | 49=7(15-d) | | 307.2/z+1.2=10.8 | | Y=3/2x-11/2 | | 5x+34=2x+49 | | 3x=585 | | 10x-2.5=-4x-2.5+14x | | (5x-8)=(3x+40) | | -4x+9.5=-4x-10 | | 8.9=2.1+2s | | Y=5/2x+10 | | -4x+9.5=-4-2.5+14x | | 7-10q=3-9q | | 8(3+c)=24(c-5) | | 2.75x+3=1.75x+3 | | 2.75+3=1.75x+7 | | 9y+6=10y+4 | | .5(8x-4)=2x |