3(2n+1)-7=20

Simple and best practice solution for 3(2n+1)-7=20 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(2n+1)-7=20 equation:


Simplifying
3(2n + 1) + -7 = 20

Reorder the terms:
3(1 + 2n) + -7 = 20
(1 * 3 + 2n * 3) + -7 = 20
(3 + 6n) + -7 = 20

Reorder the terms:
3 + -7 + 6n = 20

Combine like terms: 3 + -7 = -4
-4 + 6n = 20

Solving
-4 + 6n = 20

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 + 6n = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 6n = 20 + 4
6n = 20 + 4

Combine like terms: 20 + 4 = 24
6n = 24

Divide each side by '6'.
n = 4

Simplifying
n = 4

See similar equations:

| 220=-5 | | 1.25=x+-.5 | | f(x)=-(x-3)2-2 | | 5x+12-3x=8+5x-5 | | =9x^5y^2-18x^3y^3z+12x^2y | | 3(j-3)=4(j-3) | | 11-2q=43 | | 10x=5x+(-35) | | 5m+7p= | | 2(z-3)+5z-9z=-14 | | x-(.15x)=148.50 | | 100-6x=160x-10x | | 43=7-3q | | x-(.15x)=229.50 | | x^3+6x^2+13x+20=0 | | x-(.15x)=160.50 | | 2(g-4)=5(g-7) | | (4x+1)(-3x+9)= | | sin(x)-0.25=o | | x-(.15x)=157.50 | | sin(x)-0.25=0 | | 6x-9=3(3x-3) | | 3-9w-7= | | 6x-9=3(3x-3) | | 2+6(x-1)=6-5(x-9) | | -2x+1=6x-14 | | x+7.2=19.5 | | 5c+3d-8(9c-4d)= | | 5x+39=180 | | x+x-38+42=180 | | 8x-[4x-(3x-5)]=7x+[(2x-4)-(3x+2)] | | 8x+8y=-24 |

Equations solver categories