15=4.5n-21(n-4)

Simple and best practice solution for 15=4.5n-21(n-4) 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 15=4.5n-21(n-4) equation:


Simplifying
15 = 4.5n + -21(n + -4)

Reorder the terms:
15 = 4.5n + -21(-4 + n)
15 = 4.5n + (-4 * -21 + n * -21)
15 = 4.5n + (84 + -21n)

Reorder the terms:
15 = 84 + 4.5n + -21n

Combine like terms: 4.5n + -21n = -16.5n
15 = 84 + -16.5n

Solving
15 = 84 + -16.5n

Solving for variable 'n'.

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

Add '16.5n' to each side of the equation.
15 + 16.5n = 84 + -16.5n + 16.5n

Combine like terms: -16.5n + 16.5n = 0.0
15 + 16.5n = 84 + 0.0
15 + 16.5n = 84

Add '-15' to each side of the equation.
15 + -15 + 16.5n = 84 + -15

Combine like terms: 15 + -15 = 0
0 + 16.5n = 84 + -15
16.5n = 84 + -15

Combine like terms: 84 + -15 = 69
16.5n = 69

Divide each side by '16.5'.
n = 4.181818182

Simplifying
n = 4.181818182

See similar equations:

| Ln(x+12)=2ln(x) | | 9x-45=6 | | -5a-12a+14b-3b= | | -5y=20+9x | | 9/7=18/2y | | cos^2x=3cosx+4 | | 2e^1/2x-6=0 | | 12+(-15)= | | 1/3*0 | | -4=-10x+2y | | 1.5d-5=10 | | 10x-8y-6x-9y=12x-4y-4 | | 34(p+1)=35(p-2) | | -95=4(1-4n)-3 | | -95=4(1-4n)-1 | | 3x+13=2x+18 | | 8x-16=x+11 | | -95=4(1+4n)-1 | | 4-13y=8x | | -95=-4(1+4n)-1 | | -20+15-(-9-7+3)= | | 6m=7(7m+9) | | 9/7=18/y | | 5(x+2)+10=8 | | 7r/3÷7/8r^3 | | 8-x=y | | ax^2+x+a=0 | | 3+4g-2g=14+9 | | -10-3(2x-7)=8x+2(4-3x) | | x+(-7)=-10 | | 2ax+a+x=0 | | 4x^3-18x^2+28x-10=0 |

Equations solver categories