15n-12n+15=90

Simple and best practice solution for 15n-12n+15=90 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 15n-12n+15=90 equation:


Simplifying
15n + -12n + 15 = 90

Reorder the terms:
15 + 15n + -12n = 90

Combine like terms: 15n + -12n = 3n
15 + 3n = 90

Solving
15 + 3n = 90

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 3n = 90 + -15

Combine like terms: 15 + -15 = 0
0 + 3n = 90 + -15
3n = 90 + -15

Combine like terms: 90 + -15 = 75
3n = 75

Divide each side by '3'.
n = 25

Simplifying
n = 25

See similar equations:

| 4k+17=19 | | x^2-8ix+9=0 | | 5x^2=9x+2x | | -2u^2+12u-16=0 | | 2(p-9)+3=9 | | -3d^2-13d+10=0 | | 2(1/10)n=1(1/6) | | -13d^2-13d+10=0 | | 3x+5x-7x=6 | | 4+4x=2(2x+4) | | 2y^2-4y-30=0 | | (8x-2/3)+(7x-6/4)=-11 | | 2m-2m+m-1=17 | | 1.25=(217+x)/(13.2-x)(32.8-x) | | 15/6x=3/146/7 | | 12m+3m+m-12m+1=13 | | 7x+1-7=3 | | 3+b=18 | | k^2-5k=-4 | | 961=16t^2 | | 4(y-13)+-6=14 | | x-10-11=12-23 | | k^2+5k=-4 | | 2v^2-12v-14=0 | | -20k+13k+-19=9 | | 240=2w+2L | | 10c-10c+4c-3=17 | | 2y-18=-8 | | 2x+6=6-10 | | 8(x-7)-6(x+2)=2x-61 | | (11u^2z^7z^7)/(-2u^5z^4) | | k^2+5k=4 |

Equations solver categories