2n-9=12+9n

Simple and best practice solution for 2n-9=12+9n 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 2n-9=12+9n equation:


Simplifying
2n + -9 = 12 + 9n

Reorder the terms:
-9 + 2n = 12 + 9n

Solving
-9 + 2n = 12 + 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.
-9 + 2n + -9n = 12 + 9n + -9n

Combine like terms: 2n + -9n = -7n
-9 + -7n = 12 + 9n + -9n

Combine like terms: 9n + -9n = 0
-9 + -7n = 12 + 0
-9 + -7n = 12

Add '9' to each side of the equation.
-9 + 9 + -7n = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -7n = 12 + 9
-7n = 12 + 9

Combine like terms: 12 + 9 = 21
-7n = 21

Divide each side by '-7'.
n = -3

Simplifying
n = -3

See similar equations:

| 3/5x+1/2=30 | | X+4x-9=28 | | 4(5x+3)=41 | | 66x+73=51-39x | | 2px=-qx | | 9w+2=4w-1 | | 6s-26=-6+s | | 2(y+1)=(y+2)-(4y+10) | | 7+3x=5x+134 | | -qx=2px | | 15x+1/2=1 | | x^2+3y^2-12=0 | | 4X+4=5X+9 | | (-4x^2-5x-2+x^3+4x^2)*(x)=T | | 9x^2-37x+11=7 | | -7w+20=-9(w-4) | | -4x-5+x=7+5x+2 | | 5(p+5)=0 | | -4x^2-5x-2+x^3+4x^2*(x)=T | | 7-3(4-8x)=0 | | -9(u-1)=3u-27 | | 24=2x+(2x+8) | | 9w^2+9w=81 | | 9y=-12+9x | | (4-n)+2(-5n+3)=0 | | =2(6-2(x))+3x+x(13-4x)-2 | | .625y-.184=2.506y | | 34-4k=-6(2k-7) | | 5v-13=-3(v-1) | | 2b-5=8b+3 | | -8+22+(-19)+18= | | 8y^2+12y+3=0 |

Equations solver categories