-6n+21=12n+-15

Simple and best practice solution for -6n+21=12n+-15 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 -6n+21=12n+-15 equation:


Simplifying
-6n + 21 = 12n + -15

Reorder the terms:
21 + -6n = 12n + -15

Reorder the terms:
21 + -6n = -15 + 12n

Solving
21 + -6n = -15 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
21 + -6n + -12n = -15 + 12n + -12n

Combine like terms: -6n + -12n = -18n
21 + -18n = -15 + 12n + -12n

Combine like terms: 12n + -12n = 0
21 + -18n = -15 + 0
21 + -18n = -15

Add '-21' to each side of the equation.
21 + -21 + -18n = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -18n = -15 + -21
-18n = -15 + -21

Combine like terms: -15 + -21 = -36
-18n = -36

Divide each side by '-18'.
n = 2

Simplifying
n = 2

See similar equations:

| 5/6=y+4/7 | | 36x^4+84x^2-18x^6= | | 9x^2+5=9 | | 2(0)+2y=5 | | (2x^2-x)(-2x^3-9x^2+7)= | | (3+2)5-6= | | 9(x-3)=(2)x+11 | | Qs=-20+2(10) | | 80=-2p | | -20+2p=80-2p | | 48y^2-27=0 | | 6x+17=13-67 | | 8(x+3)-2x=(x-8) | | 1/3x+7=-7x-5 | | 12=-d+6 | | -3[x+7]=-12 | | 4(2t-1)=6t | | 17w+5=2w-10 | | 60+4p=100-4p | | 8-.25w=3w+24.25 | | (18y^5-14y^4)/2y^2 | | (9/10)x=6 | | x^2+12x+2=-2 | | 2r=78 | | x-3=57 | | d-4/3=6 | | y=0.6x+7.2 | | x+11=1.5(84-(24+11+x)) | | 3.2x+6=x+17 | | x+8.3= | | 5+x+5+x=12 | | c/3-3=4 |

Equations solver categories