7n-15=2n+15

Simple and best practice solution for 7n-15=2n+15 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-15=2n+15 equation:


Simplifying
7n + -15 = 2n + 15

Reorder the terms:
-15 + 7n = 2n + 15

Reorder the terms:
-15 + 7n = 15 + 2n

Solving
-15 + 7n = 15 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-15 + 7n + -2n = 15 + 2n + -2n

Combine like terms: 7n + -2n = 5n
-15 + 5n = 15 + 2n + -2n

Combine like terms: 2n + -2n = 0
-15 + 5n = 15 + 0
-15 + 5n = 15

Add '15' to each side of the equation.
-15 + 15 + 5n = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 5n = 15 + 15
5n = 15 + 15

Combine like terms: 15 + 15 = 30
5n = 30

Divide each side by '5'.
n = 6

Simplifying
n = 6

See similar equations:

| 13x+9-4=12x-2 | | 4x-115=225 | | 1z+3(z-7)=19 | | 3x^2-4x-15= | | y=7x+8-x^2 | | .25(x-20)=2 | | 6a-5=3(2a-2) | | 5(x+2)=3x-2x+6 | | -3w^2-6w=0 | | 5m-15m=90 | | 2+6x=4x+22 | | 3x-x+12=-30 | | 7x+83-64=92 | | 2x=4x-64 | | -a/10-8=-24 | | 3a+17=-35 | | (2x^2)+12x=22 | | -x/3+4=20 | | 4(x-3)=-72 | | 116-6x=3x+8 | | 5y+14y=133 | | 3y^2-12y-15=0 | | 3x^2-12= | | n/8-3=-11 | | -6x+10=3x+91 | | 5a-6=2(2a-3) | | 9x^2+10x+28=26 | | 4(2b+3)-9=11 | | m/4+5=14 | | 6x-14+3=4 | | 3x-4=4x+10 | | 6b+2=9-4b |

Equations solver categories