7n+4=21

Simple and best practice solution for 7n+4=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 7n+4=21 equation: 


Simplifying
7n + 4 = 21

Reorder the terms:
4 + 7n = 21

Solving
4 + 7n = 21

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 7n = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 7n = 21 + -4
7n = 21 + -4

Combine like terms: 21 + -4 = 17
7n = 17

Divide each side by '7'.
n = 2.428571429

Simplifying
n = 2.428571429

See similar equations:

| 4(x^2-4x-5)=0 | | 284.7=.33(3.14)16h | | 128=4r | | y-2=-1/10(x-7) | | 87=5y+12 | | 6n-22=-26+2n | | 10y^3=7y+1 | | 3-8x-5x+3= | | 7x-4=4(x+3) | | -16+2y+20-5y=-7-4 | | 2160=27000(0.04)T | | Y-12=-7.33 | | 15x+3+x= | | -4*16*-25= | | 15x+30=32x | | 2.5(n)=36 | | w-13w=0 | | -5=4n+7 | | 3.5(n)=36 | | 33=-6(4d+9) | | 10x+15=150 | | 3x-3=14x+8 | | 0.25(8x+6)-x=29.5 | | 8.5(n)=36 | | 0.25(8x+6)-x=19 | | 12+13+5+n=9*8 | | 10y*3=7y+1 | | 37.7=2(3.14)r | | Y-12=7.33 | | (k-5)(k-4)=0 | | 4p-3=6p+5 | | 136=.5h(10+7) |

Equations solver categories