7n-9=3n+7

Simple and best practice solution for 7n-9=3n+7 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 7n-9=3n+7 equation: 


Simplifying
7n + -9 = 3n + 7

Reorder the terms:
-9 + 7n = 3n + 7

Reorder the terms:
-9 + 7n = 7 + 3n

Solving
-9 + 7n = 7 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-9 + 7n + -3n = 7 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-9 + 4n = 7 + 3n + -3n

Combine like terms: 3n + -3n = 0
-9 + 4n = 7 + 0
-9 + 4n = 7

Add '9' to each side of the equation.
-9 + 9 + 4n = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 4n = 7 + 9
4n = 7 + 9

Combine like terms: 7 + 9 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

See similar equations:

| 5x+14=104-5x | | 5x+14=104-5 | | 7+7x=25+x | | -9x-26=-7x-14 | | 3(d-4)-17=-44 | | -0.2z-0.9=-3.1 | | 0.2z-0.9=-3.1 | | 4x-3=12x-43 | | x=x+15 | | 3(n-3)+22=28 | | 2x+23=15 | | 2x+-2x=x+28 | | -12=-2H+0.2(20-6H) | | 7(2X-1)-6(11-X)=3(X+4) | | x=x+28 | | 2M+0.5(M-4)=9 | | 3x+38=11x-58 | | -5G-(8-G)=12 | | 3(2Z-8)+10Z=16 | | -0.6x-2.3=4.3 | | 5h-15+7h=40 | | 7m-9+m=40 | | -14x-6=42-6x | | 31-8(y+5)=7 | | 12=3(M+17) | | 12+6x=7x | | 7(m-12)=15 | | 10p+2+3p=36 | | 9(5-2m)=-7(4m-2) | | 10x-17=6x+3 | | 4(X+5)=16 | | 22+4y-14=0 |

Equations solver categories