3+7n=31

Simple and best practice solution for 3+7n=31 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 3+7n=31 equation: 


Simplifying
3 + 7n = 31

Solving
3 + 7n = 31

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 7n = 31 + -3

Combine like terms: 3 + -3 = 0
0 + 7n = 31 + -3
7n = 31 + -3

Combine like terms: 31 + -3 = 28
7n = 28

Divide each side by '7'.
n = 4

Simplifying
n = 4

See similar equations:

| 4p-10=-2p+14 | | 15-3n=9 | | 9p-7=4p+23 | | 11-2(9-1)=4+9 | | -5(x-2)=15 | | 5x+40=8x | | 5p+5=2p+20 | | -4(x-6)+7=31 | | 5*x+7=3*x+19 | | u^2-7u+6=0 | | 6*x-24=2*x | | 9k^3+6k^2-5k+6=0 | | -6y+2=-4(2y+4) | | 6.5y=-63.7 | | -3+x-5=-13+9-8 | | 20X+10Y=-10X+15X-5Y | | 2x-5*2=25 | | 0=x^2+2x+6 | | x^5=0.4 | | 3x+40=50+2x | | 8-7x=37-14x | | 4x+6=-106-10x | | 26X^2-9X=0 | | x^4-13x^2+36= | | 5x+13=2x-23 | | 2x-7=33 | | -3(t-8)-(t+3)=1 | | n=0.04x-78.70 | | -17=x+23 | | 8a-6=6y+2 | | 28x^2+19x-5=-8 | | 0.33(10x+27)=-0.2(18.33x+25) |

Equations solver categories