7(3n-6)=126

Simple and best practice solution for 7(3n-6)=126 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 7(3n-6)=126 equation:


Simplifying
7(3n + -6) = 126

Reorder the terms:
7(-6 + 3n) = 126
(-6 * 7 + 3n * 7) = 126
(-42 + 21n) = 126

Solving
-42 + 21n = 126

Solving for variable 'n'.

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

Add '42' to each side of the equation.
-42 + 42 + 21n = 126 + 42

Combine like terms: -42 + 42 = 0
0 + 21n = 126 + 42
21n = 126 + 42

Combine like terms: 126 + 42 = 168
21n = 168

Divide each side by '21'.
n = 8

Simplifying
n = 8

See similar equations:

| -12-41= | | 3(5-3(4-z))-5=5(3(5z-4)+2)-26 | | 3(5-y)-4y=18 | | 7(1+9n)-7(n-7)=-2n+2n | | y=-3/24+0 | | x/(x^2-9)+5/(x+3)=6/(x^2-9) | | -5n-9+3n= | | -12+40x=40x-3 | | (3/5)^3+(1/5)^3 | | -108=-3(6m+6) | | t^2-2t+3=6 | | -5x+2+7x=16 | | t-752=189 | | 8x-2x^2+14=0 | | 6k-3c=12 | | X^6-2x^5+9x^6-9x^5+8= | | 14(4z+8)=7(9z+18) | | -6x+2=4 | | 2/3*21/2 | | -7y-8y=-30 | | f(x)=7x^2+4x+1 | | (7a/48)/(1/16) | | 11+2x=2x | | y+(-2)=15 | | 15=-4(a+2)+3a | | s+38=20 | | 19(5x+10y)=135 | | 5x+10y*19=135 | | 11+2x=(x-1)(x-1) | | b/3+144=175 | | 7(-6+4x)=-182 | | x^2ln(x-3)+4ln(x-3)=0 |

Equations solver categories