4ln(5x)+3=21

Simple and best practice solution for 4ln(5x)+3=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 4ln(5x)+3=21 equation:


Simplifying
4ln(5x) + 3 = 21

Remove parenthesis around (5x)
4ln * 5x + 3 = 21

Reorder the terms for easier multiplication:
4 * 5ln * x + 3 = 21

Multiply 4 * 5
20ln * x + 3 = 21

Multiply ln * x
20lnx + 3 = 21

Reorder the terms:
3 + 20lnx = 21

Solving
3 + 20lnx = 21

Solving for variable 'l'.

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

Add '-3' to each side of the equation.
3 + -3 + 20lnx = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 20lnx = 21 + -3
20lnx = 21 + -3

Combine like terms: 21 + -3 = 18
20lnx = 18

Divide each side by '20nx'.
l = 0.9n-1x-1

Simplifying
l = 0.9n-1x-1

See similar equations:

| 9[5-(-9x-5)]=567x+360 | | 8y-16=4 | | .42x=198 | | 2/5t-1=3 | | 7x-2=-6x-2 | | (6/8-3/8)x=-6 | | 7x-137=-10x+8-12x | | 3a+b+7c=181 | | 2x+4x-12=8+6-2x | | X^2+900=0 | | 2x/x=.0734 | | 3.3x+55.9=0.4-7.8x | | -6x+24=6x | | 2t-5=3t+6 | | 3/sqrt15 | | 5x-59=-2x-3 | | y=25+0.4x-0.01x^2 | | x-9x+15=2-12x | | 8/6=3 | | 3(8)+7=(8)+25 | | x^2-3=361 | | x^2-3=3614 | | 3+3n=0 | | 3/5t-7=2 | | 5.5+1.9n=-0.01 | | cosx+2sinx=2 | | 7[(32-16)]/2 | | -40+(-56)= | | 0=12x^3+12x^2-12 | | 7/14x^-5 | | -29+40= | | 2x=18-12 |

Equations solver categories