If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(7)=8f+15
We move all terms to the left:
f(7)-(8f+15)=0
We add all the numbers together, and all the variables
f^7-(8f+15)=0
We get rid of parentheses
f^7-8f-15=0
We do not support efpression: f^7
| f(7)=8(7)+15 | | 4m-5=(-2m+7)+10m | | 15-2n=17 | | 1a+6=12 | | 1/2-3+p=68 | | 8x+1-6x+1=8x+2-x+4 | | 1.5=9.3/t | | X+0.09x=2725 | | 5x-2x+4=7x+4-4 | | 3.3x-4=20 | | 0.1*x=11 | | X=y^2+17 | | x-1/5-3x/4=0.95 | | -18+24=-2(x+9) | | -5(1+3b)=115 | | x-5.5=15.4 | | e+2e+2e+3=68 | | -3/2-2x=-325/38 | | 11/7v-10/7=-81/49 | | 189=18m+19 | | 10+k/2=16 | | 6=x/11+8 | | n-22=57 | | -2x-8/3=2 | | -3z=8z-8 | | 3x÷2=-18 | | -6/5x+1/7=79/35 | | 6x^2−10x+8=3x+6 | | 3+4x=33 | | 6(x-10)+11x=7x+10(x-6) | | 3(x−1)−4=5 | | 52=7x+2 |