15+n=21

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


Simplifying
15 + n = 21

Solving
15 + n = 21

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 + n = 21 + -15

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

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

Simplifying
n = 6

See similar equations:

| 22-d=38 | | 8(1-5a)=35 | | m/8-1=2 | | .75y-6=.25y+1 | | X=x^3+4x^2-6 | | 5x^2y+3xy^2-5yx^2+3-5y^2x= | | y*5/6=120 | | 7p-(3p+4)=-2(4g+1) | | sN=21 | | m/8–1=2 | | -5+8x=-133 | | 20a-18a=14 | | 4(2x+8)=12x+16 | | 5(y+x)-4(y+3x)= | | 8(2+5r)=-144 | | -25+2=50 | | 5+3(7-x)+6x=-42 | | m^2-34m=0 | | 1/3x3.14x42x42x84 | | 19u-11u-4u=16 | | 1=k/6-3 | | 4/9*m=8/3 | | 8q-1/4q | | k/6-3 | | 18d-17d-d+d=18 | | 3/2*t=90 | | 12h+3h-6h-3h+2h=16 | | .25x-4+.75x=16+.25x-10 | | 27x-14-11x=4(4x-4)+2 | | -18+12g=(12+6g) | | 3/2*t=990 | | 5=6+z |

Equations solver categories