lnX+ln(X+7)=ln(18)

Simple and best practice solution for lnX+ln(X+7)=ln(18) 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 lnX+ln(X+7)=ln(18) equation: 


Simplifying
lnX + ln(X + 7) = ln(18)

Reorder the terms:
lnX + ln(7 + X) = ln(18)
lnX + (7 * ln + X * ln) = ln(18)
lnX + (7ln + lnX) = ln(18)

Reorder the terms:
7ln + lnX + lnX = ln(18)

Combine like terms: lnX + lnX = 2lnX
7ln + 2lnX = ln(18)

Reorder the terms for easier multiplication:
7ln + 2lnX = 18ln

Solving
7ln + 2lnX = 18ln

Solving for variable 'l'.

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

Add '-18ln' to each side of the equation.
7ln + -18ln + 2lnX = 18ln + -18ln

Combine like terms: 7ln + -18ln = -11ln
-11ln + 2lnX = 18ln + -18ln

Combine like terms: 18ln + -18ln = 0
-11ln + 2lnX = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-11 + 2X) = 0


Subproblem 1
Set the factor 'ln' equal to zero and attempt to solve:

Simplifying
ln = 0

Solving
ln = 0

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

Simplifying
ln = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

Subproblem 2
Set the factor '(-11 + 2X)' equal to zero and attempt to solve:

Simplifying
-11 + 2X = 0

Solving
-11 + 2X = 0

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

Add '11' to each side of the equation.
-11 + 11 + 2X = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 2X = 0 + 11
2X = 0 + 11

Combine like terms: 0 + 11 = 11
2X = 11

Add '-2X' to each side of the equation.
2X + -2X = 11 + -2X

Combine like terms: 2X + -2X = 0
0 = 11 + -2X

Simplifying
0 = 11 + -2X

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:

| 3x+7+53=90 | | X^2-3-18= | | x+x*0.03=65 | | 6=2s+2 | | 22x+2x^2+3=x | | -3x^2+x+33x-11=0 | | 3/2(4p-6)=2/9(27p-45 | | 0=-5t^2+17t+12 | | 2b-7(3-b)=b+3 | | 14z=196 | | -8y-4=2(-y+1) | | x/x2-64=0 | | n-4=2.25 | | 2/5(x—16)=(-6) | | -5.8f+6.4=-8.48 | | 7x-1=6x-9 | | 8.5x+2.1-3.6x+9= | | (15t^-3/t^5)^-5×7/t^5 | | 1/3=(x-7)/2x | | P-3/5p | | 2x+3x-5=7+(-x) | | 4cosx+5=cosx+3 | | 4(x+1.63)=3x | | 1-z=-14 | | 39+x+(x+15)=180 | | x-x-x-x-x-x-x-x-x=y | | 1y=11 | | 15-50=400 | | -3x^2-34x+11=0 | | 2x-10=44+8c | | -45=50-x | | t(x)=3x+4 |

Equations solver categories