399=7(7n+1)

Simple and best practice solution for 399=7(7n+1) 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 399=7(7n+1) equation:


Simplifying
399 = 7(7n + 1)

Reorder the terms:
399 = 7(1 + 7n)
399 = (1 * 7 + 7n * 7)
399 = (7 + 49n)

Solving
399 = 7 + 49n

Solving for variable 'n'.

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

Add '-49n' to each side of the equation.
399 + -49n = 7 + 49n + -49n

Combine like terms: 49n + -49n = 0
399 + -49n = 7 + 0
399 + -49n = 7

Add '-399' to each side of the equation.
399 + -399 + -49n = 7 + -399

Combine like terms: 399 + -399 = 0
0 + -49n = 7 + -399
-49n = 7 + -399

Combine like terms: 7 + -399 = -392
-49n = -392

Divide each side by '-49'.
n = 8

Simplifying
n = 8

See similar equations:

| 2x^3-6x^2= | | y=3E-05 | | y=3E-05X+46.175 | | 6x+4-8x=x-5 | | 24-7x=-2(5+8x)-8x | | (4x-5)(x+2)=1 | | 6x-8-2c=-16 | | 5n+37=45 | | -2(2k-1)=-33+k | | 2(2x+4)=x(3+4)+x | | -7+9t=-4t | | 8(4.38+.07)+2y=22 | | 3x-9y-5x+4y= | | -11+4x-3x=1+5x | | X=(x+6) | | 8t^2+16t+5=0 | | 8-4r=4-3r+2 | | 13x=57+1y | | a-8x-78=x-9x | | 6x+2=2y+30 | | -134=4-3(5n+6) | | -16t^2+32t+10=0 | | (2w-2)(w+4)=7 | | 24-2y=3x | | -9-10u=-8u+9 | | (t+2)(3t^2-t+4)=0 | | 16x^2-63=0 | | 6m^2-24m-126=0 | | 10(3y+4)-40y= | | -4q+9q=5q | | -13+18x=18x-13 | | 16t^2+100t=0 |

Equations solver categories