ln(3x-9)=21

Simple and best practice solution for ln(3x-9)=21 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 ln(3x-9)=21 equation:


Simplifying
ln(3x + -9) = 21

Reorder the terms:
ln(-9 + 3x) = 21
(-9 * ln + 3x * ln) = 21
(-9ln + 3lnx) = 21

Solving
-9ln + 3lnx = 21

Solving for variable 'l'.

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

Reorder the terms:
-21 + -9ln + 3lnx = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + -9ln + 3lnx = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + -3ln + lnx) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -3ln + lnx)' equal to zero and attempt to solve: Simplifying -7 + -3ln + lnx = 0 Solving -7 + -3ln + lnx = 0 Move all terms containing l to the left, all other terms to the right. Add '7' to each side of the equation. -7 + -3ln + 7 + lnx = 0 + 7 Reorder the terms: -7 + 7 + -3ln + lnx = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3ln + lnx = 0 + 7 -3ln + lnx = 0 + 7 Combine like terms: 0 + 7 = 7 -3ln + lnx = 7 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| x-4x+7=5x-6x-17 | | 5(3z-1)-5(z+4)=6(z+1) | | -2x+4=-4x-7 | | 5x(2)=29 | | -16-3x=8(-7-x) | | x+(y+19)=153 | | 2(6t+1)-4(t+2)=34 | | x+y+19=153 | | (6n+4)-(12n-9)=2n+29 | | 24a^2-26ab-5b^2= | | 5z+2.9=12.8-4z | | 3x-10x=35 | | -3+(-1)= | | x=05x+x-4 | | 18x+18= | | 4+4(-7)= | | 0.16x+0.8(x-5)=0.01(2x-1) | | 2x^2=-6+8a | | 5(6x-12)=3(20x-10) | | -42m-14=76 | | 7/9=11/x | | .67z+7=-.67z+11 | | (-2x^5y^6)(3xy^3)= | | 21p+30=2226 | | 1.5x-3=-1.5x-21 | | 4k^2+7k-2=0 | | (8-4)3x-8y=9 | | -.67z+7=.67z-1 | | 8x+15-3x-7= | | 0.45=ln(y) | | X^2-8X-9=X+1 | | 8x+15-(3x-7)= |

Equations solver categories