7n-4=3n+12

Simple and best practice solution for 7n-4=3n+12 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-4=3n+12 equation:


Simplifying
7n + -4 = 3n + 12

Reorder the terms:
-4 + 7n = 3n + 12

Reorder the terms:
-4 + 7n = 12 + 3n

Solving
-4 + 7n = 12 + 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.
-4 + 7n + -3n = 12 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-4 + 4n = 12 + 3n + -3n

Combine like terms: 3n + -3n = 0
-4 + 4n = 12 + 0
-4 + 4n = 12

Add '4' to each side of the equation.
-4 + 4 + 4n = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 4n = 12 + 4
4n = 12 + 4

Combine like terms: 12 + 4 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

See similar equations:

| xsquared=512 | | 3(a-3)+8(3-4a)=44 | | 2.5(x-4)-6x=3-x | | 7x-11+2x=2+9x-13 | | -5y+14+3y=26 | | 3/4=3/4m | | -5y-2=42 | | 2t^3-16=0 | | f(3)=-x^2-4x+5 | | 17+p=24 | | 8m-1/2+3m=1/2 | | 8x-2x^3= | | f(x)=x^4-10x^3+35x^2 | | -73=-1+6x | | 14x-7x-1=-7x+1 | | 7(6n-8)=-140 | | -14x+7x+1=-7x+2 | | 2-x=x+4 | | -3(x-1)+09=15 | | -11(3-4k)-k=-12(-2k-2) | | 16x-3(x+1)=5x | | lx-1l=10 | | -3-5n=0 | | 450x+805y+1000z=90000 | | 2x+10x+8=0 | | -4w-2w-16=38 | | -17x=340 | | 4(x+5)+4=16x-(x-3) | | -y(y^2-7)+4y^2(2y-5)= | | y-13=-28 | | -3-5k+3k=-13-4k | | .2x-5=.33x+7 |

Equations solver categories