21n+7=7n

Simple and best practice solution for 21n+7=7n 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 21n+7=7n equation:


Simplifying
21n + 7 = 7n

Reorder the terms:
7 + 21n = 7n

Solving
7 + 21n = 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
7 + 21n + -7n = 7n + -7n

Combine like terms: 21n + -7n = 14n
7 + 14n = 7n + -7n

Combine like terms: 7n + -7n = 0
7 + 14n = 0

Add '-7' to each side of the equation.
7 + -7 + 14n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 14n = 0 + -7
14n = 0 + -7

Combine like terms: 0 + -7 = -7
14n = -7

Divide each side by '14'.
n = -0.5

Simplifying
n = -0.5

See similar equations:

| 76.50-31.41=t | | 650+825+c=2200 | | [3-5]+13= | | -5(d-8)=6 | | 2n+7n=18 | | -5x-y=-10 | | 120+2x=180 | | 2a-3=9a-19 | | 7=-2j+4 | | 8z+-2=3z+6 | | 3/4w-1/8=9/16 | | 3y^2-3u^4y^2=0 | | log(9x+6)=1 | | 23423=x^2+35x+30 | | 5(5x+1)=3x-8x | | 8x^2-5x+k=0 | | 4(w-1)=4 | | -325+75=t | | -[(2x+1)-5(x-4)]+4=10(x+3) | | 5=-5v+8 | | 2.5n-(-10)= | | 2x^2-4x-132=0 | | 2y+5x=-6 | | 86+(38+x)(2)= | | 6x^2=-72x | | -13-4=n | | X-6=-5whatisx | | 8-7n=57 | | x=-432 | | 6x-2yi=6+8i | | -5-2x=15 | | 22s=11s^2 |

Equations solver categories