(3n+21)+(4n+40)=180

Simple and best practice solution for (3n+21)+(4n+40)=180 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+21)+(4n+40)=180 equation:


Simplifying
(3n + 21) + (4n + 40) = 180

Reorder the terms:
(21 + 3n) + (4n + 40) = 180

Remove parenthesis around (21 + 3n)
21 + 3n + (4n + 40) = 180

Reorder the terms:
21 + 3n + (40 + 4n) = 180

Remove parenthesis around (40 + 4n)
21 + 3n + 40 + 4n = 180

Reorder the terms:
21 + 40 + 3n + 4n = 180

Combine like terms: 21 + 40 = 61
61 + 3n + 4n = 180

Combine like terms: 3n + 4n = 7n
61 + 7n = 180

Solving
61 + 7n = 180

Solving for variable 'n'.

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

Add '-61' to each side of the equation.
61 + -61 + 7n = 180 + -61

Combine like terms: 61 + -61 = 0
0 + 7n = 180 + -61
7n = 180 + -61

Combine like terms: 180 + -61 = 119
7n = 119

Divide each side by '7'.
n = 17

Simplifying
n = 17

See similar equations:

| 4x=6-2y | | 80a^4-280a^2+245=0 | | -3(b-8)-5=9(b+2)+2 | | -12x+4x-4y+4y=6+20 | | (5n+15)+(2n+11)=180 | | 6p^2-6p-16=0 | | 2+3w+12+2w=w | | 5x^2y+6xy^2+y^3=0 | | 4x^2+11=91 | | 3/x+1/5=1/2 | | (2-z)(5z-7)=0 | | 8b^2-b-2=0 | | -3y+3y-9x+9x=3+24 | | 10-3x=32 | | 2x-22=x+2 | | -6x+18=-6forx | | (3x-2)(1-2x)=0 | | 3(-3x-y)=3(8) | | 5-5=18x+6x | | x^3-6x^2-2x+12= | | x*4=1800 | | -1y+y-2x+2x=4+1 | | 4x+17-3x=-6-11 | | k(k+1)-253.2=0 | | 2x^2+27x-30=0 | | x(7)+13=55 | | -1(y)=-1(-2x+1) | | 3x-(2x+3)=5x-4(x-3) | | k^2-20k+100= | | 3x+2y=85 | | 1.8-0.1x+0.9x^2=0 | | 5a-11b-6a+12b= |

Equations solver categories