(2n-9)-(12n+20)=

Simple and best practice solution for (2n-9)-(12n+20)= 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)-(12n+20)= equation:


Simplifying
(2n + -9) + -1(12n + 20) = 0

Reorder the terms:
(-9 + 2n) + -1(12n + 20) = 0

Remove parenthesis around (-9 + 2n)
-9 + 2n + -1(12n + 20) = 0

Reorder the terms:
-9 + 2n + -1(20 + 12n) = 0
-9 + 2n + (20 * -1 + 12n * -1) = 0
-9 + 2n + (-20 + -12n) = 0

Reorder the terms:
-9 + -20 + 2n + -12n = 0

Combine like terms: -9 + -20 = -29
-29 + 2n + -12n = 0

Combine like terms: 2n + -12n = -10n
-29 + -10n = 0

Solving
-29 + -10n = 0

Solving for variable 'n'.

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

Add '29' to each side of the equation.
-29 + 29 + -10n = 0 + 29

Combine like terms: -29 + 29 = 0
0 + -10n = 0 + 29
-10n = 0 + 29

Combine like terms: 0 + 29 = 29
-10n = 29

Divide each side by '-10'.
n = -2.9

Simplifying
n = -2.9

See similar equations:

| 4b+5-6b=-b+2b-9+16 | | x-54=4(2x+3)-10 | | 3q=q+40 | | 2(3x+4)=-16x+3 | | 2n/5-n/6=-7/10 | | 4(x-2/3)=18 | | 2y+6.6=19 | | 30+4.50x=129 | | 55=98-0.54 | | 5[3(x+4)-2(1-x)]-x-15=14x+55 | | 30+4.50=129 | | -3(4s-3)-9=-2(9s+4)-3 | | -9-4x+6x=23 | | 160-8x=180+6x | | 7t-49=t+17 | | 2b/-6 | | 0.70x+x=221 | | 10x-8x-31=25 | | 3q+26=2q+32 | | F/-35=8 | | 8x+234=-126+17x | | 5(2x)-3=20x+25 | | 9(3n-3)=(7n+6)+3 | | 10c=15m+c | | 915=35x+1500 | | 9(-5-x)=10-2x | | 8x+234=-26+17x | | y=35x+1500 | | .0023= | | x+y+y+15=180 | | 2(3x-5)-4(x-2)=5(x-1)-1 | | X^2-(2b-1)x+(b^2-b-2a)=0 |

Equations solver categories