3(n+5)=5(2n-20)

Simple and best practice solution for 3(n+5)=5(2n-20) 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 3(n+5)=5(2n-20) equation:


Simplifying
3(n + 5) = 5(2n + -20)

Reorder the terms:
3(5 + n) = 5(2n + -20)
(5 * 3 + n * 3) = 5(2n + -20)
(15 + 3n) = 5(2n + -20)

Reorder the terms:
15 + 3n = 5(-20 + 2n)
15 + 3n = (-20 * 5 + 2n * 5)
15 + 3n = (-100 + 10n)

Solving
15 + 3n = -100 + 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
15 + 3n + -10n = -100 + 10n + -10n

Combine like terms: 3n + -10n = -7n
15 + -7n = -100 + 10n + -10n

Combine like terms: 10n + -10n = 0
15 + -7n = -100 + 0
15 + -7n = -100

Add '-15' to each side of the equation.
15 + -15 + -7n = -100 + -15

Combine like terms: 15 + -15 = 0
0 + -7n = -100 + -15
-7n = -100 + -15

Combine like terms: -100 + -15 = -115
-7n = -115

Divide each side by '-7'.
n = 16.42857143

Simplifying
n = 16.42857143

See similar equations:

| 9(x+6)+2=-9(x-3)-3 | | 9m+6=28 | | 2x(x-18)=x | | r^4+1=0 | | lg(x)/lg(3x^2) | | 5x-5=4(x-6)-9 | | 2(x-12)-4=26x-148 | | 13*x=9 | | (7w+4)(3w-8)=0 | | 12a+6b=2 | | 133a+15=77 | | 11n=14 | | 800x+1500/300= | | -5x^2+7x+8=x | | x=-5x^2+7x+8 | | 3x^2+155x-8=0 | | 1.1*x^2+5.5*x+6.6=0 | | 41.8(0.7)= | | x^2+21x+111=0 | | x^4+0.914x^2+0.5=0 | | 84/140 | | -6z+m=6 | | c(x)=100+30x | | 2-9x+3=14-12x | | (-am)(-4am)= | | -12=12y^2-7y | | 15-6x=11-7x | | X+3=10-3 | | (3x^2)(3x^2)= | | 16+50x+35x^2+10x^3+x^4=0 | | 14ax-ax= | | 2x+3(y-2)=13 |

Equations solver categories