3n+9=2n-1

Simple and best practice solution for 3n+9=2n-1 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 3n+9=2n-1 equation:


Simplifying
3n + 9 = 2n + -1

Reorder the terms:
9 + 3n = 2n + -1

Reorder the terms:
9 + 3n = -1 + 2n

Solving
9 + 3n = -1 + 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.
9 + 3n + -2n = -1 + 2n + -2n

Combine like terms: 3n + -2n = 1n
9 + 1n = -1 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + 1n = -1 + 0
9 + 1n = -1

Add '-9' to each side of the equation.
9 + -9 + 1n = -1 + -9

Combine like terms: 9 + -9 = 0
0 + 1n = -1 + -9
1n = -1 + -9

Combine like terms: -1 + -9 = -10
1n = -10

Divide each side by '1'.
n = -10

Simplifying
n = -10

See similar equations:

| 360=(x)(2x+6) | | 2+4x^2=8 | | 16(-t^2+t+6)=0 | | f(x)=4x(2)-24x | | 5x-2(2x)=3 | | 3x^2-5-12=0 | | 22x-25x=8-11 | | 3c^2+13c+4=0 | | 16+6k=1+k | | (t+7)(t-2)= | | X/-3=-17 | | 3w-11+4w=-7 | | 4z=2.2+3.4 | | x+2y=240 | | 6+6x=4x+4 | | 0.5x-.5=0.75x+1-x | | 4(4a+5)=7(3a-5) | | (x+1)(x-3)(x+7)=0 | | 4p+15=13p+30 | | 17x-18y=1 | | -7x-30=-72 | | 6x=582+3x | | ln(x)+ln(4x)=3 | | 2(b+15)=96 | | 3a+15=2a+7 | | -23+14=m-2 | | s+783s=10s | | 25x^2-80x+64=4(x+5) | | 4x+16=2x+30 | | 1.49x=0.99+24x | | (12*12)+(16*16)=(c*c) | | 6x+12=2x-16 |

Equations solver categories