7n-21=9n+27

Simple and best practice solution for 7n-21=9n+27 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-21=9n+27 equation:


Simplifying
7n + -21 = 9n + 27

Reorder the terms:
-21 + 7n = 9n + 27

Reorder the terms:
-21 + 7n = 27 + 9n

Solving
-21 + 7n = 27 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-21 + 7n + -9n = 27 + 9n + -9n

Combine like terms: 7n + -9n = -2n
-21 + -2n = 27 + 9n + -9n

Combine like terms: 9n + -9n = 0
-21 + -2n = 27 + 0
-21 + -2n = 27

Add '21' to each side of the equation.
-21 + 21 + -2n = 27 + 21

Combine like terms: -21 + 21 = 0
0 + -2n = 27 + 21
-2n = 27 + 21

Combine like terms: 27 + 21 = 48
-2n = 48

Divide each side by '-2'.
n = -24

Simplifying
n = -24

See similar equations:

| 3t+(t+6)=8 | | 5x-16=50 | | 6n-7=-3n-25 | | -21+50+6= | | 9z=3 | | 6x-40=8 | | 6n-7=-3-25 | | 4x^2+5x=100 | | x=2.00(48.00)-10 | | (3n^2+2n-1)(2n^2+n+9)= | | (50)(-3)+x=250 | | 6x^2-8x=10-4x | | -12n+5n=21 | | .2x+(90*.30)=.20 | | 6+2=26 | | x^2+13x+230=0 | | 5x-16=2x | | -50+-18= | | 3x+2=12x | | 2(x-3)15=3(x-1) | | -6s^2+5s-1=0 | | (3r+2)(9r^2+6r+4)= | | 21x+-28=49 | | 5y+8=4y+5 | | 2(2-7n)-5(-n-1)=-6n-7-5 | | x^2-16X=-19 | | 7(-2x+2)=84 | | 8=1x-3-2 | | 25x^4-16=-9x^2 | | 5f+3+2f=38 | | 13*5=x | | 12x-5=3x |

Equations solver categories