5n+2n=21

Simple and best practice solution for 5n+2n=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 5n+2n=21 equation: 


Simplifying
5n + 2n = 21

Combine like terms: 5n + 2n = 7n
7n = 21

Solving
7n = 21

Solving for variable 'n'.

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

Divide each side by '7'.
n = 3

Simplifying
n = 3

See similar equations:

| X+0.07x=80.25 | | 49r^2-25=0 | | -48=6t | | 7d=0 | | .18(x)+0.08(200)=0.14(x+200) | | 4r^2+25r+36=0 | | 2.5x^2+3x-0.5=0 | | 7+x=13 | | 6(x-12)=29 | | -9x-5+6x=-8x-7+3x | | 5(9-2w)=10(w+3) | | 60(5+2x)=360 | | 2x^2+12x=-7 | | 4(x+3)-3x=7x-9 | | 5y-2(y-3)=39 | | y+4=9 | | 11x-5=3x+7 | | 10(x-4)=380 | | 1.5x^2+2x+3.2=0 | | 25x^2+37=60x | | x^2-19x-46=0 | | 4x+y=50 | | N(n+3)-70=0 | | 9(2x-4)=100 | | 15b^2-7bc-2c^2= | | 2x^2-4x-7=0 | | 1.6x^2+2x+2.5=0 | | 6=0.5x-0.25 | | x^2+11x+36=8 | | 6x^2-11x-21=0 | | 3x^2-1=-8x | | (x+7)(x+5)= |

Equations solver categories