f(-x)=4x+9

Simple and best practice solution for f(-x)=4x+9 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for f(-x)=4x+9 equation:


Simplifying
f(-1x) = 4x + 9

Remove parenthesis around (-1x)
f * -1x = 4x + 9

Reorder the terms for easier multiplication:
-1f * x = 4x + 9

Multiply f * x
-1fx = 4x + 9

Reorder the terms:
-1fx = 9 + 4x

Solving
-1fx = 9 + 4x

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by '-1x'.
f = -9x-1 + -4

Simplifying
f = -9x-1 + -4

Reorder the terms:
f = -4 + -9x-1

See similar equations:

| 5-3a=3-a | | a^2x^2+3ax-10=0 | | x^2-y^2-3x+2=0 | | x(x-11)(x+2)=0 | | 8.2x=4.1 | | 9+x=1-7x | | 3x^4+2x^3-13x^2-2x+4=0 | | 63v^2-74v=9 | | 9-(-37)= | | 4g^2+16g+15=0 | | 3x+4+4x=81 | | -3x^2-24x-40=0 | | 3x^3+6x^2+24x+4=0 | | 3x^3+7x^2+14x+4=1 | | (4x-7)(4x-7)(4x-7)= | | 3x^3+7x^2+14x+4=0 | | 3x+12y=231.2 | | 12x^2-42x+25=0 | | 6y=128 | | -7x+46=-2(x-3) | | 4(2x-5)=5-1(2x-1) | | 25e^10a-4=2 | | 0,5x+3=2 | | 9x^4-12xy+y^4=0 | | 9x^4+y^4+6=12xy | | 100+25x=225+20x | | 0.80*(x)+0.70*(1500-x)=0.75*1500 | | 2s+3t=11 | | 9x^2+15-14=0 | | 100+25=225+20x | | 9x^2+15-1=0 | | (3x-6)(5x-4)= |

Equations solver categories