5(-2n+1)+3(4n+6)=21

Simple and best practice solution for 5(-2n+1)+3(4n+6)=21 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 5(-2n+1)+3(4n+6)=21 equation:


Simplifying
5(-2n + 1) + 3(4n + 6) = 21

Reorder the terms:
5(1 + -2n) + 3(4n + 6) = 21
(1 * 5 + -2n * 5) + 3(4n + 6) = 21
(5 + -10n) + 3(4n + 6) = 21

Reorder the terms:
5 + -10n + 3(6 + 4n) = 21
5 + -10n + (6 * 3 + 4n * 3) = 21
5 + -10n + (18 + 12n) = 21

Reorder the terms:
5 + 18 + -10n + 12n = 21

Combine like terms: 5 + 18 = 23
23 + -10n + 12n = 21

Combine like terms: -10n + 12n = 2n
23 + 2n = 21

Solving
23 + 2n = 21

Solving for variable 'n'.

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

Add '-23' to each side of the equation.
23 + -23 + 2n = 21 + -23

Combine like terms: 23 + -23 = 0
0 + 2n = 21 + -23
2n = 21 + -23

Combine like terms: 21 + -23 = -2
2n = -2

Divide each side by '2'.
n = -1

Simplifying
n = -1

See similar equations:

| 8(n+3)-5(x-2)=49 | | C/4-2C/3=5 | | 5(-2n+1)+3(4n-6)=21 | | 1x+1y+1z=12 | | Tanx=-2.21 | | 13-x+3x=5 | | 13+2x+5=4x+3+5 | | 42=51-x | | -8=5n+2 | | 2-x/5=-8 | | (9-n)7-4n=42 | | 11x-4x=-35 | | y-4=4/3x-6 | | 43=7+3h | | 8[x-4]=32 | | 3x+x=-12 | | 6a+6a=-6 | | a/5=-20 | | X-6=1/3x | | 6(3x+4)-2=2(x-5) | | 7/4x=-84 | | 171=4.5(8-6) | | 6x+4=-6+20x | | A+1-4=-1 | | 171=4.5 | | Y=9x-1.5 | | 8-8x-2x^2=x | | 3x+13x=-1-15 | | 11m-5m=18 | | 70=0.8x^2 | | 39-8x=-7(1+5x)+4x | | 52-4/3= |

Equations solver categories