(n-5)*7=21

Simple and best practice solution for (n-5)*7=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 (n-5)*7=21 equation:


Simplifying
(n + -5) * 7 = 21

Reorder the terms:
(-5 + n) * 7 = 21

Reorder the terms for easier multiplication:
7(-5 + n) = 21
(-5 * 7 + n * 7) = 21
(-35 + 7n) = 21

Solving
-35 + 7n = 21

Solving for variable 'n'.

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

Add '35' to each side of the equation.
-35 + 35 + 7n = 21 + 35

Combine like terms: -35 + 35 = 0
0 + 7n = 21 + 35
7n = 21 + 35

Combine like terms: 21 + 35 = 56
7n = 56

Divide each side by '7'.
n = 8

Simplifying
n = 8

See similar equations:

| 9x+1+20x+5=180 | | =3t^2+12t-96 | | 4/1/5 | | 5a(4+8a+15a^2)=0 | | 3x=3+2(x+3) | | 4z-3(3z-5)=-2z+1 | | 3-x=1-(1-2x) | | 3x+33=11x-47 | | 2w-1=56 | | 4x+7.5=-6.5 | | y=-16x^2+368x | | .75x-12=-6 | | 36x^2-24x-320=0 | | 9w-2(w-4)=4W+38 | | 1/2+2x=1/2-3x | | 54x=125x+2 | | 3x-3=2x+5 | | 2x^3-x^2-4x+2=0 | | 2x+4=22-11x | | 20x^2+104x+96=0 | | 4.5(x-3)=-0.5+21.5 | | 4-2(x+7)=-21 | | 13x=6x+21 | | =3t^2-30t+72 | | 6m^2+46m+28=0 | | (-5x-2)(3x+2)=0 | | 8(5x-7)=37 | | X^2=400x | | 6-10x=130-38x | | 8x-21=6x+9 | | y=-3x^2+4x+20 | | -3b/8=11/56 |

Equations solver categories