If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(-2)=(-2)+6
We move all terms to the left:
f(-2)-((-2)+6)=0
We add all the numbers together, and all the variables
f(-2)-4=0
We multiply parentheses
-2f-4=0
We move all terms containing f to the left, all other terms to the right
-2f=4
f=4/-2
f=-2
| 35+85+x+2x=360 | | –15z−17−2z=–17z−17 | | 9x+2+6x=133 | | 2x+14+76+64=180 | | 4(3x-2)-6-8x=-14 | | 4.8g+10=2.6g+22 | | -38-8r=7(-2r-8) | | 0.6y-0.6=0.4-0.2y | | 75/c=100 | | 3.4g+8=1.4g+20 | | 0=-0.5x^2+100x | | 6x+3=x+2x | | 3(2x+9)=-1+6x+28 | | 4r−29=63 | | 15+6p=63 | | 1.9x=1.3+37.44 | | -8v^2-2v+12=9 | | -13=-3(x-8)+2(1-5x) | | 40+y+y=54 | | -7n+6n=8 | | 9-(2+(-3y))=6+2y-(5=y) | | x^4+128=24x^2 | | (2x-8)+(6x-1)=90 | | -0.2(3x-25)=-0.1+7 | | m=2+2.5(-2) | | 5x-3+58+80=180 | | x+5(x+1)=19+4x | | x4+128=24x | | -3=x+3+2x | | 1/3j=5 | | 157=7(4+5x)+8x | | 3x+0.5(10x–6)=2 |