15n+9=-21

Simple and best practice solution for 15n+9=-21 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+9=-21 equation:


Simplifying
15n + 9 = -21

Reorder the terms:
9 + 15n = -21

Solving
9 + 15n = -21

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 15n = -21 + -9

Combine like terms: 9 + -9 = 0
0 + 15n = -21 + -9
15n = -21 + -9

Combine like terms: -21 + -9 = -30
15n = -30

Divide each side by '15'.
n = -2

Simplifying
n = -2

See similar equations:

| 18=2x^2+x | | 8x-5=12x+15 | | x^2-x-114=0 | | 2y-4=t+8 | | (x+8)(x+3)-234=0 | | 1.4x=1.2x+10 | | 3g-24g+27=0 | | .02x+.04(1500-x)=48 | | 5k+6fork=4 | | 2*ln(x-2)+2*ln*2=2 | | 7y+9=6y-9 | | (105)3= | | 45=-9(1e+8) | | y-(-11)=15 | | 31+4z-z=40 | | 10=5xi | | 2(4a-12)+39=69+1 | | 2x^3+3x^2+8x+12=0 | | -3e^4x=9 | | 6x-x+5-2x=x+7 | | -2n^2-4n^1-2=0 | | lnx=x^3-2 | | 0=g^2-120g+28 | | y=-2x+7x-3 | | -6(2t+2)=-12 | | -0.75+b=0.75 | | -10(s+5)=-123 | | -7b^2+10b-2=-7 | | x+1.8=3.6 | | m^2+10m=-8 | | -8s+13=7s-13 | | 5-11t=7(5-2) |

Equations solver categories